Bump django from 3.2.24 to 3.2.25 in /examples/cookbook

Bumps [django](https://github.com/django/django) from 3.2.24 to 3.2.25.
- [Commits](django/django@3.2.24...3.2.25)

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

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

examples/cookbook/requirements.txt

@@ -1,5 +1,5 @@
 graphene>=2.1,<3
 graphene-django>=2.1,<3
 graphql-core>=2.1,<3
-django==3.2.24
+django==3.2.25
 django-filter>=2