Update django CAS NG

Fixes #9
5 jobs for master in 4 minutes and 32 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #437150
docker
testing

00:03:20

89.0%
 
  Linting
passed #437152
docker
eslint

00:00:42

passed #437151
docker
flake8

00:00:16

 
  Documentation
passed #437153
docker
pages

00:00:12

 
  Deploy
passed pages:deploy

00:00:00