Bump django from 3.2.3 to 3.2.4 in /src

Bumps [django](https://github.com/django/django) from 3.2.3 to 3.2.4.
- [Release notes](https://github.com/django/django/releases)
- [Commits](https://github.com/django/django/compare/3.2.3...3.2.4)

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

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

src/requirements/production.txt

@@ -1,4 +1,4 @@
-Django==3.2.3
+Django==3.2.4
 channels==3.0.3
 channels-redis==3.2.0