Merge branch '429942-commit-ci-config-internal-events' into 'master'

Migrate commit_change_to_ciconfigfile to internal events

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/166870



Merged-by: Joe Woodward <jwoodward@gitlab.com>
Approved-by: Sam Word <sword@gitlab.com>
Approved-by: Nwanna Isong <nisong@gitlab.com>
Approved-by: Joe Woodward <jwoodward@gitlab.com>
Reviewed-by: Nwanna Isong <nisong@gitlab.com>
Co-authored-by: Sebastian Rehm <srehm@gitlab.com>