build(deps): bump django from 4.2.15 to 5.1

Bumps [django](https://github.com/django/django) from 4.2.15 to 5.1.
- [Commits](django/django@4.2.15...5.1)

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

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

Author: dependabot[bot]

requirements/base.txt

@@ -1,5 +1,5 @@
 # Django
-django==4.2.15
+django==5.1
 django-environ==0.11.2
 django-bootstrap-breadcrumbs==0.9.2