Update .gitlab-ci.yml

1 job for master in 9 minutes and 21 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
failed #2027
Docker
Linux client build

00:09:21

 
Name Stage Failure
failed
Linux client build Build
npm WARN django_bulma@ No repository field.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.9 (node_modules/fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.9: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})

added 398 packages from 285 contributors in 27.252s
$ pipenv run ./manage.py bulma builds
Loading .env environment variables…
CommandError: Subcommand doesn't exist
ERROR: Job failed: exit code 1