Merge branch 'gy-add-get-metric-setting' into 'master'

Add GitLab Environment Toolkit metric application setting

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/148069



Merged-by: charlie ablett <cablett@gitlab.com>
Approved-by: Suraj Tripathi <stripathi@gitlab.com>
Approved-by: Dominic Bauer <dbauer@gitlab.com>
Approved-by: Gregory Havenga <11164960-ghavenga@users.noreply.gitlab.com>
Approved-by: charlie ablett <cablett@gitlab.com>
Co-authored-by: Grant Young <gyoung@gitlab.com>