Add default partition when no matching labelset liimits #10739

Job	Run time
test-no-race	7m 37s
lint	4m 43s
build	4m 3s
test	15m 46s
CodeQL	6m 58s
integration (requires_docker)	7m 27s
integration-configs-db	3m 16s
integration (integration_alertmanager)	4m 24s
integration (integration_backward_compatibility)	11m 13s
integration (integration_memberlist)	7m 59s
integration (integration_querier)	15m 3s
integration (integration_ruler)	5m 55s
integration (integration_query_fuzz)	5m 8s
deploy_website	0s
deploy	0s
	1h 39m 32s

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