Integrate gitlab-ci/do-not-cancel-previous-pipelines-on-master and 1 more

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@9d430fe8

Manifest integration: do not cancel previous pipelines on master

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@8b08a083

Fix error handling on merge

GitLab API has changed:
https://gitlab.com/gitlab-org/gitlab/-/merge_requests/94164/diffs#diff-content-c201dae00b72426693ddcb40edf6005e7702e935