Bump django from 1.4 to 1.11.28 in /test/django-1.4-skeleton#4

dependabot[bot] wants to merge 1 commit intomasterguybowden/heroku-buildpack-python-paybox:masterfrom

dependabot/pip/test/django-1.4-skeleton/django-1.11.28guybowden/heroku-buildpack-python-paybox:dependabot/pip/test/django-1.4-skeleton/django-1.11.28Copy head branch name to clipboard