Bump django from 3.2 to 3.2.1

Bumps [django](https://github.com/django/django) from 3.2 to 3.2.1.
- [Release notes](https://github.com/django/django/releases)
- [Commits](https://github.com/django/django/compare/3.2...3.2.1)

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

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

requirements.txt

@@ -1,6 +1,6 @@
 invoke>=1.4.0                   # Invoke build tool
 wheel>=0.34.2                   # Wheel
-Django==3.2                     # Django package
+Django==3.2.1                     # Django package
 pillow==8.1.1                   # Image manipulation
 djangorestframework==3.12.4     # DRF framework
 django-cors-headers==3.2.0      # CORS headers extension for DRF