Bump flask from 2.0.3 to 2.2.5

Bumps [flask](https://github.com/pallets/flask) from 2.0.3 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@2.0.3...2.2.5)

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

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

requirements.txt

@@ -23,7 +23,7 @@ eventlet==0.33.0
 extras==1.0.0
 fasteners==0.17.3
 fixtures==3.0.0
-Flask==2.0.3
+Flask==2.2.5
 Flask-RESTful==0.3.9
 futurist==2.4.0
 greenlet==1.1.2