Bump django in /samples/crew-django-redis-postgres/app

Bumps [django](https://github.com/django/django) from 4.2.21 to 4.2.25.
- [Commits](django/django@4.2.21...4.2.25)

---
updated-dependencies:
- dependency-name: django
  dependency-version: 4.2.25
  dependency-type: direct:production
...

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

Author: dependabot[bot]

samples/crew-django-redis-postgres/app/requirements.txt

@@ -37,7 +37,7 @@ decorator==5.2.1
 Deprecated==1.2.18
 distro==1.9.0
 dj-database-url==2.3.0
-Django==4.2.21
+Django==4.2.25
 django-cors-headers==4.7.0
 docstring_parser==0.16
 durationpy==0.10