[chore][elasticsearchreceiver] Add stability level per metric#42930

mx-psi merged 3 commits intoopen-telemetry:mainopen-telemetry/opentelemetry-collector-contrib:mainfrom

ChrsMark:elasticsearchreceiver_metric_stabilityChrsMark/opentelemetry-collector-contrib:elasticsearchreceiver_metric_stabilityCopy head branch name to clipboard