www/py-dj22-django-extensions: Update to 2.2.9

• Mark it as DEPRECATED because the port is obsolete since r531517.
  
  Don't set an expiration date for now as the port is still required by deskutils/py-paperless and few more Django 1.11 ports need to be assigned to Django 2.2 first.

Changelog:

https://github.com/django-extensions/django-extensions/blob/2.2.9/CHANGELOG.md

PR: 245357
Reviewed by: wen
Approved by: Kevin Golding <ports@caomhin.org> (maintainer)