Bump django from 4.2.1 to 4.2.3

Bumps [django](https://github.com/django/django) from 4.2.1 to 4.2.3.
- [Commits](django/django@4.2.1...4.2.3)

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

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

Author: dependabot[bot]

requirements.txt

@@ -6,7 +6,7 @@ celery==5.2.2
 certifi==2020.4.5.1
 chardet==3.0.4
 coverage==5.1
-Django==4.2.1
+Django==4.2.3
 django-debug-toolbar==4.0.0
 django-extra-views==0.13.0
 django-widget-tweaks==1.4.12