chore(deps): update flask requirement from ~=1.1.1 to ~=1.1.2 (#6910)

Updates the requirements on [flask](https://github.com/pallets/flask) to permit the latest version.
- [Release notes](https://github.com/pallets/flask/releases)
- [Changelog](https://github.com/pallets/flask/blob/master/CHANGES.rst)
- [Commits](pallets/flask@1.1.1...1.1.2)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

requirements/common.txt

@@ -1,5 +1,5 @@
 pycparser==2.20
-Flask~=1.1.1
+Flask~=1.1.2
 Flask-Limiter~=1.2.1
 Flask-Script~=2.0.6
 Flask-SQLAlchemy~=2.4