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

5 jobs for !18 with topic/default/regenerate_gitlab_ci in 1 minute and 34 seconds (queued for 14 minutes and 20 seconds)
latest merge request
Name Stage Failure
failed
yamllint Lint
yamllint run-test: commands[0] | yamllint .
./.gitlab-ci.yml
18:1 error trailing spaces (trailing-spaces)

ERROR: InvocationError for command /builds/cubicweb/cubes/skos/.tox/yamllint/bin/yamllint . (exited with code 1)
___________________________________ summary ____________________________________
ERROR: yamllint: commands failed
Cleaning up file based variables
ERROR: Job failed: command terminated with exit code 1