Follow-up from "Add release metrics to group-level CI/CD Analytics page"

The following discussion from !53165 (merged) should be addressed:

• @blabuschagne started a discussion: (+3 comments)

  Suggestion: We have a really nice GlSingleStat component for instances like this. WDYT about using that over here?

  Ref: https://gitlab-org.gitlab.io/gitlab-ui/?path=/story/charts-single-stat--default