Bump flask from 2.3.3 to 3.0.2

Bumps [flask](https://github.com/pallets/flask) from 2.3.3 to 3.0.2.
- [Release notes](https://github.com/pallets/flask/releases)
- [Changelog](https://github.com/pallets/flask/blob/main/CHANGES.rst)
- [Commits](pallets/flask@2.3.3...3.0.2)

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

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -2,7 +2,7 @@ certifi==2024.2.2
 charset-normalizer==3.3.2
 click==8.1.7
 commonmark==0.9.1
-Flask==2.3.3
+Flask==3.0.2
 Flask-APScheduler==1.13.1
 Flask-Caching==2.1.0
 Flask-WTF==1.2.1