Merge branch...

Merge branch 'quarantine-flaky-tests-ee-spec-services-system_notes-escalations_service_spec-rb-23' into 'master' 

Quarantine a flaky test

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/166800



Merged-by: David Dieulivol <ddieulivol@gitlab.com>
Approved-by: Ravi Kumar <rkumar@gitlab.com>
Co-authored-by: Auto-quarantining bot <gitlab-auto-quarantine-bot@gitlab.com>