Fix the CI config for the DC branches (clean backport from DC_Oct23)

• run MR container building only if target is master
• run the Repo and Code quality checks also for DC branches

added CI/CD Online labels

requested review from @f.uhlig

assigned to @f.uhlig

added 5 commits

• 1e5a0d60...2b1a2254 - 4 commits from branch computing:master
• 329bbde5 - Fix the CI config for the DC branches

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Dear @f.uhlig, @v.friese, @p.-a.loizeau,

you have been identified as code owner of at least one file which was changed with this merge request.

Please check the changes and approve them or request changes.

added CodeOwners label

approved this merge request

added 16 commits

• 329bbde5...33bbde0d - 15 commits from branch computing:master
• 73221de0 - Fix the CI config for the DC branches

Compare with previous version

enabled an automatic merge when the pipeline for 73221de0 succeeds

merged