Merge pull request #184 from mcabrams/renovate/django-3.x

Update dependency django to v3

Author: mcabrams

{{ cookiecutter.project_slug }}/server/requirements.txt

@@ -2,7 +2,7 @@
 # Base
 ######
 
-django==2.2.11
+django==3.0.4
 django-cors-headers==3.2.1
 django-environ==0.4.5