Bump flask from 1.1.2 to 2.2.2

Bumps [flask](https://github.com/pallets/flask) from 1.1.2 to 2.2.2.
- [Release notes](https://github.com/pallets/flask/releases)
- [Changelog](https://github.com/pallets/flask/blob/main/CHANGES.rst)
- [Commits](pallets/flask@1.1.2...2.2.2)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements.txt

@@ -2,7 +2,7 @@ aniso8601==8.0.0
 click==8.1.3
 colorama==0.4.4
 dnspython==2.2.1
-flask==1.1.2
+flask==2.2.2
 flask-cors==3.0.10
 flask-restful==0.3.8
 flask-sqlalchemy==2.4.3