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

3 jobs for !18 with topic/default/regenerate_gitlab_ci in 3 minutes and 24 seconds (queued for 1 minute and 11 seconds)
latest detached
Status Name Job ID Coverage
  Lint
passed check-manifest #349594

00:00:30

passed yamllint #349595

00:00:24

 
  Tests
passed py3 #349596

00:02:29