Bump django from 5.2.8 to 5.2.9 in /requirements (#315)

Bumps [django](https://github.com/django/django) from 5.2.8 to 5.2.9.
- [Commits](django/django@5.2.8...5.2.9)

---
updated-dependencies:
- dependency-name: django
  dependency-version: 5.2.9
  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>

Author: dependabot[bot]

requirements/main.txt

@@ -1,5 +1,5 @@
 channels[daphne]==4.3.2
-django==5.2.8
+django==5.2.9
 django-cleanup==9.0.0
 django-compressor==4.6
 django-model-utils==5.0.0