Bump flask from 2.2.1 to 2.2.5 in /example (#1985) #nolog

Bumps [flask](https://github.com/pallets/flask) from 2.2.1 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@2.2.1...2.2.5)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

example/requirements.txt

@@ -1,7 +1,7 @@
 bidict==0.22.0
 cachelib==0.9.0
 click==8.1.3
-Flask==2.2.1
+Flask==2.2.5
 Flask-Login==0.6.2
 Flask-Session==0.4.0
 Flask-SocketIO