Merge branch...

Merge branch 'quarantine-flaky-tests-ee-spec-lib-gitlab-usage-metrics-instrumentations-count_member_roles_metric_spec-rb-10' into 'master' 

Quarantine a flaky test

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/151975



Merged-by: Jarka Košanová <jarka@gitlab.com>
Approved-by: Jarka Košanová <jarka@gitlab.com>
Co-authored-by: gdk <gdk@example.com>