Add SEP CI configuration rendering histogram

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/157955



Merged-by: Sashi Kumar Kumaresan <skumar@gitlab.com>
Approved-by: Eva Kadlecová <ekadlecova@gitlab.com>
Approved-by: Sashi Kumar Kumaresan <skumar@gitlab.com>
Co-authored-by: Dominic Bauer <dbauer@gitlab.com>