Bump gunicorn from 25.1.0 to 25.2.0 (#1237)

Bumps [gunicorn](https://github.com/benoitc/gunicorn) from 25.1.0 to 25.2.0.
- [Release notes](https://github.com/benoitc/gunicorn/releases)
- [Commits](benoitc/gunicorn@25.1.0...25.2.0)

---
updated-dependencies:
- dependency-name: gunicorn
  dependency-version: 25.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,7 +1,7 @@
 Flask==3.1.3
 flask-talisman==1.1.0
 google-cloud-storage==3.10.1
-gunicorn==25.1.0
+gunicorn==25.2.0
 markdown==3.10.2
 pytest==9.0.2
 pytest-watch==4.2.0