Bump django from 4.0.4 to 4.0.7

Bumps [django](https://github.com/django/django) from 4.0.4 to 4.0.7.
- [Release notes](https://github.com/django/django/releases)
- [Commits](https://github.com/django/django/compare/4.0.4...4.0.7)

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

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

requirements.txt

@@ -1,4 +1,4 @@
-Django==4.0.4
+Django==4.0.7
 gunicorn==20.1.0
 uvicorn==0.17.6
 psycopg2-binary==2.9.3