Bump django from 4.2.2 to 4.2.3 in /app/public

Bumps [django](https://github.com/django/django) from 4.2.2 to 4.2.3.
- [Commits](django/django@4.2.2...4.2.3)

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

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

app/public/requirements.txt

@@ -1,4 +1,4 @@
-Django==4.2.2
+Django==4.2.3
 django-extensions==3.2.3
 djangorestframework==3.14.0
 gunicorn==20.1.0