build(deps): bump flask from 2.2.2 to 2.2.3

Bumps [flask](https://github.com/pallets/flask) from 2.2.2 to 2.2.3.
- [Release notes](https://github.com/pallets/flask/releases)
- [Changelog](https://github.com/pallets/flask/blob/main/CHANGES.rst)
- [Commits](https://github.com/pallets/flask/compare/2.2.2...2.2.3)

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

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

requirements.txt

@@ -20,7 +20,7 @@ extras==1.0.0
 feedgen==0.9.0
 feedparser==6.0.10
 fixtures==4.0.1
-Flask==2.2.2
+Flask==2.2.3
 Flask-Caching==2.0.2
 flask-gae-static==1.0
 google-api-core==2.11.0