Bump django from 5.1.12 to 5.1.13 (#13353)

Bumps [django](https://github.com/django/django) from 5.1.12 to 5.1.13.
- [Commits](django/django@5.1.12...5.1.13)

---
updated-dependencies:
- dependency-name: django
  dependency-version: 5.1.13
  dependency-type: direct:production
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -18,7 +18,7 @@ django_extensions==4.1
 django-slack==5.19.0
 django-watson==1.6.3
 django-prometheus==2.4.1
-Django==5.1.12
+Django==5.1.13
 djangorestframework==3.16.1
 html2text==2025.4.15
 humanize==4.13.0