Merge branch 'huzaifaiftikhar1_set_low_urgency_for_audit_events_api' into 'master'

Set low custom apdex for `/projects/:id/audit_events/:audit_event_id`

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/103580



Merged-by: Sean McGivern <sean@gitlab.com>
Approved-by: Sean McGivern <sean@gitlab.com>
Co-authored-by: huzaifaiftikhar1 <hiftikhar@gitlab.com>