Merge branch '478781-enable-track_event-s-as-official-way-to-track-events' into 'master'

Enable /track_event(s) as official way to track events

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/165748



Merged-by: Terri Chu <tchu@gitlab.com>
Approved-by: Sebastian Rehm <srehm@gitlab.com>
Approved-by: Terri Chu <tchu@gitlab.com>
Approved-by: Amy Qualls <aqualls@gitlab.com>
Reviewed-by: Amy Qualls <aqualls@gitlab.com>
Reviewed-by: Terri Chu <tchu@gitlab.com>
Reviewed-by: Ankit Panchal <apanchal@gitlab.com>
Reviewed-by: Sebastian Rehm <srehm@gitlab.com>
Co-authored-by: Amy Qualls <aqualls@gitlab.com>
Co-authored-by: Niko Belokolodov <nbelokolodov@gitlab.com>