Bump django from 5.1.4 to 5.1.5

Bumps [django](https://github.com/django/django) from 5.1.4 to 5.1.5.
- [Commits](django/django@5.1.4...5.1.5)

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

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

requirements-pinned.txt

@@ -42,7 +42,7 @@ cryptography==44.0.0
     #   acme
     #   josepy
     #   pyopenssl
-django==5.1.4
+django==5.1.5
     # via
     #   django-ca (pyproject.toml)
     #   django-ninja