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

4 jobs for branch/default in 5 minutes and 20 seconds (queued for 24 seconds)
Status Name Job ID Coverage
  Lint
passed check-dependencies-resolution #602325
lint

00:01:12

passed twine-check #602324
lint twine

00:00:57

passed yamllint #602326
lint yamllint

00:01:09

 
  Tests
passed py3 #602327
tests py3

00:05:18