Bump flask from 2.1.3 to 2.2.5

Bumps [flask](https://github.com/pallets/flask) from 2.1.3 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@2.1.3...2.2.5)

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

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

Author: dependabot[bot]

requirements-ext.txt

@@ -1,3 +1,3 @@
-flask==2.1.3
+flask==2.2.5
 werkzeug==2.2.2
 aiohttp==3.9.0b1