chore(deps): bump flask from 2.2.2 to 2.2.3 in /integration/examples (#…

…8442)

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](pallets/flask@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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

integration/examples/buildpacks-python/requirements.txt

@@ -1 +1 @@
-Flask==2.2.2
+Flask==2.2.3