build(deps): bump django from 5.0.7 to 5.0.8 in /example

Bumps [django](https://github.com/django/django) from 5.0.7 to 5.0.8.
- [Commits](django/django@5.0.7...5.0.8)

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

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

example/requirements.txt

@@ -1,4 +1,4 @@
-django==5.0.7                                   # famous web framework
+django==5.0.8                                   # famous web framework
 confluent-kafka[avro, schema-registry]==2.5.0
 bump-my-version==0.24.2                         # for making releases
 ruff==0.4.8                                     # speed of light linter