ci: release on generic packages

• Create metapackage on ci artifacts
• Push metapackage on generic packages registery
• Create release

Doc: https://docs.gitlab.com/ee/user/packages/generic_packages/

assigned to @cchaudier

changed the description

changed title from ci: release on generic package to ci: release on generic packages

created branch 5-ci-release-on-generic-packages to address this issue

mentioned in merge request !4 (merged)

changed the description

marked the checklist item Create metapackage on ci artifacts as completed

marked the checklist item Push metapackage on generic packages registery as completed

marked the checklist item Create release as completed

mentioned in commit 0343dca5

closed with merge request !4 (merged)