feat(orch): add observability for build cache#2279

jakubno wants to merge 1 commit intomaine2b-dev/infra:mainfrom

observability-measure-how-long-are-data-kept-in-cache-eng-3727e2b-dev/infra:observability-measure-how-long-are-data-kept-in-cache-eng-3727Copy head branch name to clipboard