Add group-level lead time charts
requested to merge 325061-present-lead-time-for-mrs-to-be-deployed-to-production-in-group-level-ci-cd-dashboard into master
What does this MR do?
Adds group-level lead time charts to the Group > Analytics > CI/CD page.
These charts are the equivalent of the project-level lead time charts.
This MR is very similar to !61053 (merged).
Screenshots
Related to #325061 (closed)
Edited by Nathan Friend