Bump django from 5.1.8 to 5.2.8

Bumps [django](https://github.com/django/django) from 5.1.8 to 5.2.8.
- [Commits](django/django@5.1.8...5.2.8)

---
updated-dependencies:
- dependency-name: django
  dependency-version: 5.2.8
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]