fix: bump flask from 3.1.1 to 3.1.2

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
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements.txt

@@ -2,7 +2,7 @@
 pika==1.3.2
 redis==6.4.0
 simplejson==3.20.1
-flask==3.1.1
+flask==3.1.2
 pyyaml==6.0.2
 pyiceberg[sql-sqlite,pyarrow]==0.8.1
 deltalake==0.25.5