Update django extensions

Fixes #15
3 jobs for docker in 2 minutes and 53 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #437173
docker
testing

00:02:20

89.0%
 
  Linting
passed #437175
docker
eslint

00:00:16

passed #437174
docker
flake8

00:00:17