build(deps): update django requirement from ~=5.1.0 to ~=5.1.3

Updates the requirements on [django](https://github.com/django/django) to permit the latest version.
- [Commits](django/django@5.1...5.1.3)

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

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

requirements-dev.txt

@@ -1,4 +1,4 @@
-Django~=5.1.0
+Django~=5.1.3
 djangorestframework~=3.15.2
 django-filter~=24.2.0
 django-debug-toolbar~=4.4.6

requirements-prod.txt

@@ -1,4 +1,4 @@
-Django~=5.1.0
+Django~=5.1.3
 djangorestframework~=3.15.0
 django-filter~=24.3.0
 psycopg2~=2.9.10