Merge branch '454019-follow-up-from-analytics-dashboard-observability' into 'master'

Apply follow suggestions to analytics dashboard files

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/149722



Merged-by: Elwyn Benson <ebenson@gitlab.com>
Approved-by: Elwyn Benson <ebenson@gitlab.com>
Co-authored-by: Jiaan Louw <jlouw@gitlab.com>