Release 3234
Trello card
https://trello.com/c/Zlih3dRZ/1889-scrape-custom-metrics
Context
Scrape custom metrics that are exported for gse,
which can then be used in dashboards and alerting
Changes proposed in this pull request
Add enable_prometheus_monitoring to application deployments and set for each env
remove from review apps before merge
Guidance to review
make development terraform-plan IMAGE_TAG=x
Review app metrics are visible in prometheus test (yabeda-rails, sidekiq, http_requests, puma)