Remove references to ready_to_resume and resumed statuses

https://github.com/edx/edx-proctoring/blob/master/CHANGELOG.rst#460---2021-11-03

Remove Use of Verified Name Enabled Flag

https://github.com/edx/edx-proctoring/blob/master/CHANGELOG.rst#450---2021-11-01

4.4.1: Transition resume states from statuses to boolean fields

Merge pull request #994 from edx/alangsto/fix_package_number

fix: package number should be updated so changes can be released

Drop ProctoredExamSoftwareSecureReview.video_url column

The last step of the column removal on ProctoredExamSoftwareSecureReview.video_url. Drop the column!

Remove ProctoredExamSoftwareSecureReview.video_url field from code

Move the reference of ProctoredExamSoftwareSecureReview.video_url in preparation to drop it from database.

ProctoredExamSoftwareSecureReview.video_url is nullable now

Set the video_url field on ProctoredExamSoftwareSecureReview table to be nullable.
This is the first step of removing the field.

Upgrade Django from 2.2 to 3.2

Upgraded the Django library used by this repo from 2.2 to 3.2.
Made adjustments on the CI process to reflect we no longer cares about django 2.2
Made library version upgrades to the latest.

4.2.0: Allow timed exams to be visible after course end date

Merge pull request #984 from edx/alangsto/timed_exams_should_be_visible

fix: timed exams should still be visible after course end date

4.1.3: Always allow practice exams to trigger grade and credit updates

Merge pull request #978 from edx/alangsto/allow_practice_exams_to_tri…

…gger_grades

fix: practice exam updates should trigger grade and credit updates

4.1.2: Use video url for PSI instructor dashboard url

Merge pull request #974 from edx/alangsto/use_video_url_in_redirect

feat: use video review url provided by PSI in redirect