Merge branch...

Merge branch 'overdue-finalize-background-migration--backfill-approval-group-rules-protected-branches-group-id' into 'master' 

Finalize migration BackfillApprovalGroupRulesProtectedBranchesGroupId

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/167249



Merged-by: Michał Zając <mzajac@gitlab.com>
Approved-by: Michał Zając <mzajac@gitlab.com>
Co-authored-by: gdk <gdk@example.com>