Update django requirement from <5,>=4.2.14 to >=4.2.14,<6

Updates the requirements on [django](https://github.com/django/django) to permit the latest version.
- [Commits](django/django@4.2.14...5.1.2)

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

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

requirements.txt

@@ -1,4 +1,4 @@
-Django>=4.2.14,<5
+Django>=4.2.14,<6
 backports.zoneinfo;python_version<"3.9"
 Markdown==3.7
 smartypants==2.0.1