chore(deps): bump django from 5.0.3 to 5.0.4 in /backend/requirements

Bumps [django](https://github.com/django/django) from 5.0.3 to 5.0.4.
- [Commits](django/django@5.0.3...5.0.4)

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

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

backend/requirements/base.txt

@@ -11,7 +11,7 @@ flower==2.0.1  # https://github.com/mher/flower
 
 # # Django
 # # ------------------------------------------------------------------------------
-django==5.0.3 # https://www.djangoproject.com/
+django==5.0.4 # https://www.djangoproject.com/
 djangorestframework-simplejwt==5.3.1 # https://github.com/jazzband/djangorestframework-simplejwt
 django-health-check==3.18.1 # https://github.com/revsys/django-health-check
 django-environ==0.11.2 # https://github.com/joke2k/django-environ