Get reloaded metadata asynchronously after rule configuration altered #13546

Job	Run time
Import Global Environment / init-environment	3s
Build E2E Image	5m 58s
E2E - Agent with MySQL (proxy, tracing, jaeger)	5m 14s
E2E - Agent with MySQL (proxy, tracing, zipkin)	5m 38s
E2E - Agent with MySQL (proxy, metrics, prometheus)	5m 26s
E2E - Agent with MySQL (proxy, logging, file)	5m 8s
E2E - Agent with MySQL (jdbc, logging, file)	5m 8s
E2E - Agent with MySQL (jdbc, metrics, prometheus)	5m 39s
E2E - Agent with MySQL (jdbc, tracing, jaeger)	4m 54s
E2E - Agent with MySQL (jdbc, tracing, zipkin)	5m 1s
	48m 9s

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