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

5 jobs for !19 with topic/default/regenerate_gitlab_ci in 3 minutes and 43 seconds (queued for 10 minutes and 45 seconds)
latest detached
Status Job ID Name Coverage
  Lint
passed check-manifest #321741

00:00:38

passed flake8 #321740

00:00:30

passed yamllint #321742

00:00:27

 
  Tests
passed py27 #321743

00:01:08

passed py3 #321744

00:00:58