Add monitoring for the Artifacts CDN service
This issue is to add the Google CDN to a service and any alerts we feel should be added.
- SLO alerting gitlab-com/runbooks!5052 (merged)
- Runbook gitlab-com/runbooks!5069 (merged)
- Dashboard gitlab-com/runbooks!5070 (merged)
- Blackbox https://gitlab.com/gitlab-com/gl-infra/chef-repo/-/merge_requests/2424
Edited by John Jarvis