Support otlp metadata ingestion #11355

Job	Run time
build	4m 5s
test	16m 26s
CodeQL	6m 33s
lint	4m 23s
test-no-race	7m 43s
integration-configs-db	2m 35s
integration (requires_docker)	7m 8s
integration (integration_alertmanager)	3m 57s
integration (integration_backward_compatibility)	10m 55s
integration (integration_memberlist)	7m 49s
integration (integration_querier)	14m 57s
integration (integration_ruler)	5m 35s
integration (integration_query_fuzz)	4m 24s
deploy_website	0s
deploy	0s
	1h 36m 30s

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