Fix workflow issues

[VladyslavTy]

Change description

Fix workflow errors for merge conflicts and tests workflow.

• https://github.com/edx/edx-platform.git moved to https://github.com/openedx/edx-platform.git
• Python 3.5 EOL, so it causes the cert check issue for PyPi. Suggested workaround from setup-python Python 3.5 setup fails with an invalid certificate when running pip actions/setup-python#866 (comment)

Type of change

• Bug fix (fixes an issue)
• New feature (adds functionality)

Related issues

Fix ENG-629

Checklists

Development

• Lint rules pass locally
• Application changes have been tested thoroughly
• Automated tests covering modified code pass

Security

• Security impact of change has been considered
• Code follows company security practices and guidelines

Code review

• Pull request has a descriptive title and context useful to a reviewer. Screenshots or screencasts are attached as necessary
• "Ready for review" label attached and reviewers assigned
• Changes have been reviewed by at least one other contributor
• Pull request linked to task tracker where applicable

[github-actions]

Checking git merge conflicts against https://github.com/openedx/edx-platform.git

Comparing with	open-release/nutmeg.master
Benchmark conflicts with master	0
Current conflicts	299
Summary	Adds 299 new conflicts. How can we do better?

New conflicting files with 'open-release/nutmeg.master'

.dockerignore
Dockerfile
Makefile
cms/celery.py
cms/djangoapps/contentstore/api/tests/test_validation.py
cms/djangoapps/contentstore/courseware_index.py
cms/djangoapps/contentstore/tasks.py
cms/djangoapps/contentstore/tests/test_course_create_rerun.py
cms/djangoapps/contentstore/tests/test_course_settings.py
cms/djangoapps/contentstore/tests/test_courseware_index.py
cms/djangoapps/contentstore/tests/test_proctoring.py
cms/djangoapps/contentstore/tests/test_tasks.py
cms/djangoapps/contentstore/tests/test_utils.py
cms/djangoapps/contentstore/utils.py
cms/djangoapps/contentstore/views/assets.py
cms/djangoapps/contentstore/views/course.py
cms/djangoapps/contentstore/views/tests/test_assets.py
cms/djangoapps/contentstore/views/tests/test_certificates.py
cms/djangoapps/contentstore/views/tests/test_item.py
cms/djangoapps/contentstore/views/transcript_settings.py
cms/djangoapps/contentstore/views/user.py
cms/djangoapps/course_creators/tests/test_admin.py
cms/envs/common.py
cms/envs/devstack.py
cms/envs/production.py
cms/templates/admin/base_site.html
cms/templates/widgets/deprecated-course-key-warning.html
cms/urls.py
common/djangoapps/student/admin.py
common/djangoapps/student/helpers.py
common/djangoapps/student/models.py
common/djangoapps/student/signals/receivers.py
common/djangoapps/student/tests/test_certificates.py
common/djangoapps/student/tests/test_email.py
common/djangoapps/student/tests/test_events.py
common/djangoapps/student/tests/test_helpers.py
common/djangoapps/student/tests/test_linkedin.py
common/djangoapps/student/tests/test_recent_enrollments.py
common/djangoapps/student/tests/test_tasks.py
common/djangoapps/student/views/management.py
common/djangoapps/third_party_auth/pipeline.py
common/djangoapps/third_party_auth/settings.py
common/djangoapps/third_party_auth/tests/test_pipeline.py
common/djangoapps/third_party_auth/utils.py
common/djangoapps/track/tests/test_shim.py
common/djangoapps/track/urls.py
common/djangoapps/track/views/__init__.py
common/djangoapps/track/views/segmentio.py
common/djangoapps/track/views/tests/test_views.py
common/djangoapps/util/course.py
common/djangoapps/util/tests/test_course.py
common/lib/xmodule/xmodule/course_module.py
common/lib/xmodule/xmodule/modulestore/mongo/base.py
common/lib/xmodule/xmodule/tests/test_course_module.py
common/lib/xmodule/xmodule/video_module/video_handlers.py
common/lib/xmodule/xmodule/video_module/video_module.py
lms/celery.py
lms/djangoapps/badges/events/course_complete.py
lms/djangoapps/badges/events/tests/test_course_complete.py
lms/djangoapps/certificates/api.py
lms/djangoapps/certificates/signals.py
lms/djangoapps/certificates/tests/test_api.py
lms/djangoapps/certificates/tests/test_signals.py
lms/djangoapps/certificates/tests/test_support_views.py
lms/djangoapps/certificates/tests/test_views.py
lms/djangoapps/certificates/tests/test_webview_views.py
lms/djangoapps/certificates/urls.py
lms/djangoapps/certificates/views/webview.py
lms/djangoapps/course_api/tests/test_serializers.py
lms/djangoapps/course_api/tests/test_views.py
lms/djangoapps/course_blocks/transformers/tests/test_load_override_data.py
lms/djangoapps/courseware/access.py
lms/djangoapps/courseware/courses.py
lms/djangoapps/courseware/tests/test_navigation.py
lms/djangoapps/courseware/views/views.py
lms/djangoapps/discussion/django_comment_client/base/tests.py
lms/djangoapps/discussion/django_comment_client/tests/test_utils.py
lms/djangoapps/grades/models.py
lms/djangoapps/grades/tests/test_tasks.py
lms/djangoapps/instructor/enrollment.py
lms/djangoapps/instructor/tests/test_api.py
lms/djangoapps/instructor/tests/test_api_email_localization.py
lms/djangoapps/instructor/tests/test_certificates.py
lms/djangoapps/instructor/tests/test_ecommerce.py
lms/djangoapps/instructor/tests/test_enrollment.py
lms/djangoapps/instructor/tests/views/test_instructor_dashboard.py
lms/djangoapps/instructor/views/api.py
lms/djangoapps/instructor/views/instructor_dashboard.py
lms/djangoapps/static_template_view/urls.py
lms/envs/common.py
lms/envs/devstack.py
lms/envs/test.py
lms/lib/courseware_search/lms_filter_generator.py
lms/lib/tests/test_utils.py
lms/templates/dashboard/_dashboard_certificate_information.html
lms/templates/split_test_author_view.html
lms/templates/student_account/register.underscore
lms/templates/video.html
lms/tests.py
lms/urls.py
openedx/core/djangoapps/credentials/models.py
openedx/core/djangoapps/signals/signals.py
openedx/core/djangoapps/site_configuration/models.py
openedx/core/djangoapps/site_configuration/tests/test_models.py
openedx/core/djangoapps/theming/finders.py
openedx/core/djangoapps/user_api/accounts/api.py
openedx/core/djangoapps/user_api/accounts/image_helpers.py
openedx/core/djangoapps/user_api/accounts/tests/test_settings_views.py
openedx/core/djangoapps/user_api/accounts/tests/test_utils.py
openedx/core/djangoapps/user_api/accounts/tests/test_views.py
openedx/core/djangoapps/user_api/accounts/utils.py
openedx/core/djangoapps/user_api/accounts/views.py
openedx/core/djangoapps/user_api/management/tests/test_sync_hubspot_contacts.py
openedx/core/djangoapps/user_api/tests/test_views.py
openedx/core/djangoapps/user_api/views.py
openedx/core/djangoapps/user_authn/cookies.py
openedx/core/djangoapps/user_authn/tasks.py
openedx/core/djangoapps/user_authn/views/login.py
openedx/core/djangoapps/user_authn/views/logout.py
openedx/core/djangoapps/user_authn/views/password_reset.py
openedx/core/djangoapps/user_authn/views/register.py
openedx/core/djangoapps/user_authn/views/registration_form.py
openedx/core/djangoapps/user_authn/views/tests/test_logout.py
openedx/core/djangoapps/user_authn/views/tests/test_register.py
openedx/core/lib/api/permissions.py
openedx/core/lib/cache_utils.py
openedx/core/release.py
openedx/features/course_experience/utils.py
openedx/features/course_experience/views/course_home.py
pavelib/assets.py
pavelib/prereqs.py
requirements/constraints.txt
requirements/edx-sandbox/base.in
requirements/edx/base.in
requirements/edx/base.txt
requirements/edx/development.txt
requirements/edx/django.txt
requirements/edx/github.in
requirements/edx/testing.txt
tox.ini

Comparing with	master
Benchmark conflicts with master	0
Current conflicts	329
Summary	Adds 329 new conflicts. How can we do better?

New conflicting files with 'master'

.dockerignore
.tx/config
Dockerfile
Makefile
circle.yml
cms/celery.py
cms/djangoapps/contentstore/api/tests/test_validation.py
cms/djangoapps/contentstore/courseware_index.py
cms/djangoapps/contentstore/tasks.py
cms/djangoapps/contentstore/tests/test_course_create_rerun.py
cms/djangoapps/contentstore/tests/test_course_settings.py
cms/djangoapps/contentstore/tests/test_courseware_index.py
cms/djangoapps/contentstore/tests/test_proctoring.py
cms/djangoapps/contentstore/tests/test_tasks.py
cms/djangoapps/contentstore/tests/test_utils.py
cms/djangoapps/contentstore/utils.py
cms/djangoapps/contentstore/views/assets.py
cms/djangoapps/contentstore/views/certificates.py
cms/djangoapps/contentstore/views/course.py
cms/djangoapps/contentstore/views/tests/test_assets.py
cms/djangoapps/contentstore/views/tests/test_certificates.py
cms/djangoapps/contentstore/views/tests/test_header_menu.py
cms/djangoapps/contentstore/views/tests/test_item.py
cms/djangoapps/contentstore/views/transcript_settings.py
cms/djangoapps/contentstore/views/user.py
cms/djangoapps/course_creators/tests/test_admin.py
cms/envs/common.py
cms/envs/devstack.py
cms/envs/production.py
cms/templates/admin/base_site.html
cms/templates/widgets/deprecated-course-key-warning.html
cms/urls.py
common/djangoapps/student/admin.py
common/djangoapps/student/helpers.py
common/djangoapps/student/models.py
common/djangoapps/student/signals/receivers.py
common/djangoapps/student/tasks.py
common/djangoapps/student/tests/test_certificates.py
common/djangoapps/student/tests/test_email.py
common/djangoapps/student/tests/test_events.py
common/djangoapps/student/tests/test_helpers.py
common/djangoapps/student/tests/test_linkedin.py
common/djangoapps/student/tests/test_recent_enrollments.py
common/djangoapps/student/tests/test_tasks.py
common/djangoapps/student/views/management.py
common/djangoapps/third_party_auth/pipeline.py
common/djangoapps/third_party_auth/settings.py
common/djangoapps/third_party_auth/tests/test_pipeline.py
common/djangoapps/third_party_auth/utils.py
common/djangoapps/third_party_auth/views.py
common/djangoapps/track/tests/test_shim.py
common/djangoapps/track/urls.py
common/djangoapps/track/views/__init__.py
common/djangoapps/track/views/segmentio.py
common/djangoapps/track/views/tests/test_views.py
common/djangoapps/util/course.py
common/djangoapps/util/tests/test_course.py
common/lib/xmodule/xmodule/js/src/video/01_initialize.js
common/lib/xmodule/xmodule/tests/test_course_module.py
common/lib/xmodule/xmodule/x_module.py
lms/celery.py
lms/djangoapps/badges/events/course_complete.py
lms/djangoapps/badges/events/tests/test_course_complete.py
lms/djangoapps/certificates/api.py
lms/djangoapps/certificates/signals.py
lms/djangoapps/certificates/tests/test_api.py
lms/djangoapps/certificates/tests/test_signals.py
lms/djangoapps/certificates/tests/test_support_views.py
lms/djangoapps/certificates/tests/test_views.py
lms/djangoapps/certificates/tests/test_webview_views.py
lms/djangoapps/certificates/urls.py
lms/djangoapps/certificates/views/webview.py
lms/djangoapps/course_api/tests/test_serializers.py
lms/djangoapps/course_api/tests/test_views.py
lms/djangoapps/course_blocks/transformers/tests/test_load_override_data.py
lms/djangoapps/courseware/access.py
lms/djangoapps/courseware/courses.py
lms/djangoapps/courseware/tests/test_navigation.py
lms/djangoapps/courseware/views/index.py
lms/djangoapps/courseware/views/views.py
lms/djangoapps/discussion/django_comment_client/base/tests.py
lms/djangoapps/discussion/django_comment_client/tests/test_utils.py
lms/djangoapps/grades/models.py
lms/djangoapps/grades/tests/test_tasks.py
lms/djangoapps/instructor/enrollment.py
lms/djangoapps/instructor/tests/test_api.py
lms/djangoapps/instructor/tests/test_api_email_localization.py
lms/djangoapps/instructor/tests/test_certificates.py
lms/djangoapps/instructor/tests/test_ecommerce.py
lms/djangoapps/instructor/tests/test_enrollment.py
lms/djangoapps/instructor/tests/views/test_instructor_dashboard.py
lms/djangoapps/instructor/views/api.py
lms/djangoapps/instructor/views/instructor_dashboard.py
lms/djangoapps/static_template_view/urls.py
lms/envs/common.py
lms/envs/devstack.py
lms/envs/test.py
lms/lib/courseware_search/lms_filter_generator.py
lms/lib/tests/test_utils.py
lms/templates/certificates/url_unsupported.html
lms/templates/dashboard/_dashboard_certificate_information.html
lms/templates/split_test_author_view.html
lms/templates/student_account/register.underscore
lms/templates/video.html
lms/tests.py
lms/urls.py
openedx/core/djangoapps/content/course_overviews/models.py
openedx/core/djangoapps/credentials/models.py
openedx/core/djangoapps/signals/signals.py
openedx/core/djangoapps/site_configuration/models.py
openedx/core/djangoapps/site_configuration/tests/test_models.py
openedx/core/djangoapps/theming/finders.py
openedx/core/djangoapps/user_api/accounts/api.py
openedx/core/djangoapps/user_api/accounts/image_helpers.py
openedx/core/djangoapps/user_api/accounts/tests/test_settings_views.py
openedx/core/djangoapps/user_api/accounts/tests/test_utils.py
openedx/core/djangoapps/user_api/accounts/tests/test_views.py
openedx/core/djangoapps/user_api/accounts/utils.py
openedx/core/djangoapps/user_api/accounts/views.py
openedx/core/djangoapps/user_api/management/tests/test_sync_hubspot_contacts.py
openedx/core/djangoapps/user_api/tests/test_views.py
openedx/core/djangoapps/user_api/views.py
openedx/core/djangoapps/user_authn/cookies.py
openedx/core/djangoapps/user_authn/views/login.py
openedx/core/djangoapps/user_authn/views/logout.py
openedx/core/djangoapps/user_authn/views/password_reset.py
openedx/core/djangoapps/user_authn/views/register.py
openedx/core/djangoapps/user_authn/views/registration_form.py
openedx/core/djangoapps/user_authn/views/tests/test_logout.py
openedx/core/djangoapps/user_authn/views/tests/test_register.py
openedx/core/lib/api/permissions.py
openedx/core/lib/cache_utils.py
openedx/features/course_experience/utils.py
openedx/features/course_experience/views/course_home.py
openedx/features/learner_profile/static/learner_profile/js/views/badge_view.js
openedx/features/learner_profile/static/learner_profile/js/views/share_modal_view.js
openedx/features/learner_profile/static/learner_profile/templates/badge_list.underscore
openedx/features/learner_profile/static/learner_profile/templates/badge_placeholder.underscore
pavelib/assets.py
pavelib/i18n.py
pavelib/prereqs.py
pavelib/servers.py
pavelib/utils/envs.py
requirements/constraints.txt
requirements/edx-sandbox/base.in
requirements/edx/base.in
requirements/edx/base.txt
requirements/edx/development.txt
requirements/edx/django.txt
requirements/edx/github.in
requirements/edx/testing.txt
scripts/Jenkinsfiles/python
scripts/Jenkinsfiles/quality
scripts/circle-ci-tests.sh
setup.py
tox.ini
xmodule/course_block.py
xmodule/modulestore/mongo/base.py
xmodule/modulestore/tests/test_tahoe_changes_for_django_modulestore.py
xmodule/video_block/video_block.py
xmodule/video_block/video_handlers.py