⬆ Bump flask from 3.1.1 to 3.1.2 (#397)

Bumps [flask](https://github.com/pallets/flask) from 3.1.1 to 3.1.2.
- [Release notes](https://github.com/pallets/flask/releases)
- [Changelog](https://github.com/pallets/flask/blob/main/CHANGES.rst)
- [Commits](pallets/flask@3.1.1...3.1.2)

---
updated-dependencies:
- dependency-name: flask
  dependency-version: 3.1.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

docker-images/requirements.txt

@@ -1 +1 @@
-flask==3.1.1
+flask==3.1.2