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

4 jobs for !11 with topic/default/regenerate_gitlab_ci in 3 minutes and 58 seconds (queued for 10 minutes and 35 seconds)
latest detached
Status Job ID Name Coverage
  Lint
passed flake8 #239398

00:00:30

passed yamllint #239399

00:00:41

 
  Tests
passed py27 #239400

00:01:26

passed py3 #239401

00:01:19