ci: start to migrate to open-source/gitlab-ci-templates
Start using https://forge.extranet.logilab.fr/open-source/gitlab-ci-templates for the CI
Based on !56 (closed) which is based on !54 (closed)
Start using https://forge.extranet.logilab.fr/open-source/gitlab-ci-templates for the CI
Based on !56 (closed) which is based on !54 (closed)