deps: bump django from 5.1.11 to 5.1.12

Bumps [django](https://github.com/django/django) from 5.1.11 to 5.1.12.
- [Commits](django/django@5.1.11...5.1.12)

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

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

Author: dependabot[bot]

requirements.txt

@@ -27,7 +27,7 @@ defusedxml==0.8.0rc2
     #   social-auth-core
 deprecation==2.1.0
     # via django-helusers
-django==5.1.11
+django==5.1.12
     # via
     #   -r requirements.in
     #   django-axes