Support experimental promql functions (#6355) #10471

Job	Run time
build	4m 1s
lint	4m 18s
CodeQL	6m 22s
test	15m 35s
integration-configs-db	2m 31s
integration (requires_docker)	7m 2s
integration (integration_alertmanager)	4m 16s
integration (integration_backward_compatibility)	10m 20s
integration (integration_memberlist)	7m 31s
integration (integration_querier)	15m 12s
integration (integration_ruler)	5m 54s
integration (integration_query_fuzz)	4m 50s
deploy_website	56s
deploy	4m 2s
	1h 32m 50s

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