Update django requirement from <5.2,>=5.1 to >=5.1,<5.3

Updates the requirements on [django](https://github.com/django/django) to permit the latest version.
- [Commits](django/django@5.1...5.2.1)

---
updated-dependencies:
- dependency-name: django
  dependency-version: 5.2.1
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,4 +1,4 @@
-Django>=5.1,<5.2
+Django>=5.1,<5.3
 
 pytz==2025.2
 httplib2==0.22.0