Bump flask from 2.3.2 to 2.3.3

Bumps [flask](https://github.com/pallets/flask) from 2.3.2 to 2.3.3.
- [Release notes](https://github.com/pallets/flask/releases)
- [Changelog](https://github.com/pallets/flask/blob/main/CHANGES.rst)
- [Commits](pallets/flask@2.3.2...2.3.3)

---
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

@@ -1,7 +1,7 @@
 bandit==1.7.2
 coverage==6.5.0
 coveralls==3.3.1
-Flask==2.3.2
+Flask==2.3.3
 Flask-SSLify==0.1.5
 Flask-Testing==0.8.1
 Flask-SeaSurf==1.1.1