Bump flask from 2.2.3 to 2.2.5 in /requirements

Bumps [flask](https://github.com/pallets/flask) from 2.2.3 to 2.2.5.
- [Release notes](https://github.com/pallets/flask/releases)
- [Changelog](https://github.com/pallets/flask/blob/main/CHANGES.rst)
- [Commits](pallets/flask@2.2.3...2.2.5)

---
updated-dependencies:
- dependency-name: flask
  dependency-type: direct:production
...

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

requirements/dev.txt

@@ -40,7 +40,7 @@ filelock==3.12.3
     # via
     #   tox
     #   virtualenv
-flask==2.2.3
+flask==2.2.5
     # via -r tests.in
 identify==2.5.2
     # via pre-commit

requirements/tests.txt

@@ -10,7 +10,7 @@ cachelib==0.10.2
     # via -r tests.in
 click==8.1.3
     # via flask
-flask==2.2.3
+flask==2.2.5
     # via -r tests.in
 iniconfig==1.1.1
     # via pytest