Bump django from 5.1.9 to 5.1.12

Bumps [django](https://github.com/django/django) from 5.1.9 to 5.1.12.
- [Commits](django/django@5.1.9...5.1.12)

---
updated-dependencies:
- dependency-name: django
  dependency-version: 5.1.12
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]