Bump django from 5.1 to 5.1.1 (#55)

Bumps [django](https://github.com/django/django) from 5.1 to 5.1.1.
- [Commits](django/django@5.1...5.1.1)

---
updated-dependencies:
- dependency-name: django
  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>

requirements.txt

@@ -1,2 +1,2 @@
-Django==5.1
+Django==5.1.1
 gunicorn==23.0.0