ci(gitlab-ci): use templates from a common repository

3 jobs for branch/default in 50 seconds (queued for 108 minutes and 1 second)
Status Name Job ID Coverage
  Lint
passed check-dependencies-resolution #602120
lint

00:00:40

passed twine-check #602119
lint twine

00:00:31

passed yamllint #602121
lint yamllint

00:00:48