Add py-django-context-decorator 1.5.0

Python package for Django removing the need to call
super().get_context_data(**kwargs) in nearly every Django view.

WWW: https://github.com/rixx/django-context-decorator

• While I'm here:
  • Fix USES=python
  • Update WWW

PR: 239048
Submitted by: Alexander Sieg <alex@xanderio.de>