Merge branch 'pedropombeiro/469592/display-ratios' into 'master'

Display ratios instead of counts in CI/CD Analytics

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/158957



Merged-by: Scott Hampton <shampton@gitlab.com>
Approved-by: Gina Doyle <gdoyle@gitlab.com>
Approved-by: Thomas Hutterer <thutterer@gitlab.com>
Approved-by: Scott Hampton <shampton@gitlab.com>
Reviewed-by: Pedro Pombeiro (OOO from July 16th till Aug 7th) <noreply@pedro.pombei.ro>
Reviewed-by: Thomas Hutterer <thutterer@gitlab.com>
Co-authored-by: Pedro Pombeiro <noreply@pedro.pombei.ro>