Bump flask from 1.1.4 to 2.1.2

Bumps [flask](https://github.com/pallets/flask) from 1.1.4 to 2.1.2.
- [Release notes](https://github.com/pallets/flask/releases)
- [Changelog](https://github.com/pallets/flask/blob/main/CHANGES.rst)
- [Commits](pallets/flask@1.1.4...2.1.2)

---
updated-dependencies:
- dependency-name: flask
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.in

@@ -2,7 +2,7 @@ Flask-Gzip==0.2
 Flask-Mail==0.9.1
 Flask-Migrate~=2.7.0
 Flask-pyoidc~=3.7.0
-Flask~=1.1.4
+Flask~=2.1.2
 csh_ldap~=2.3.1
 ddtrace==1.1.4
 flask_sqlalchemy~=2.5.1

requirements.txt

@@ -22,7 +22,7 @@ cffi==1.15.0
     # via cryptography
 charset-normalizer==2.0.12
     # via requests
-click==7.1.2
+click==8.1.3
     # via
     #   flask
     #   pip-tools
@@ -38,7 +38,7 @@ defusedxml==0.7.1
     # via oic
 dnspython==2.2.1
     # via srvlookup
-flask==1.1.4
+flask==2.1.2
     # via
     #   -r requirements.in
     #   flask-gzip
@@ -60,6 +60,8 @@ flask-sqlalchemy==2.5.1
     #   flask-migrate
 future==0.18.2
     # via pyjwkest
+greenlet==1.1.2
+    # via sqlalchemy
 gunicorn==20.0.4
     # via -r requirements.in
 idna==3.3
@@ -68,9 +70,9 @@ importlib-resources==5.7.1
     # via flask-pyoidc
 isort==5.10.1
     # via pylint
-itsdangerous==1.1.0
+itsdangerous==2.1.2
     # via flask
-jinja2==2.11.3
+jinja2==3.1.2
     # via flask
 lazy-object-proxy==1.7.1
     # via astroid
@@ -170,14 +172,12 @@ urllib3==1.26.9
     # via
     #   requests
     #   sentry-sdk
-werkzeug==1.0.1
+werkzeug==2.1.2
     # via flask
 wheel==0.37.1
     # via pip-tools
 wrapt==1.12.1
     # via astroid
-zipp==3.8.0
-    # via importlib-resources
 
 # The following packages are considered to be unsafe in a requirements file:
 # pip