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

3 jobs for !15 with topic/default/regenerate_gitlab_ci in 3 minutes and 38 seconds (queued for 10 minutes and 39 seconds)
latest detached
Status Name Job ID Coverage
  Lint
passed flake8 #321745

00:00:37

passed yamllint #321746

00:00:27

 
  Tests
passed py3 #321747

00:02:33