Extend ShuffleSharding on READONLY ingesters #11082

Job	Run time
test	15m 59s
lint	4m 31s
build	4m 7s
CodeQL	6m 51s
test-no-race	7m 57s
integration-configs-db	2m 53s
integration (requires_docker)	7m 17s
integration (integration_alertmanager)	4m 10s
integration (integration_backward_compatibility)	10m 27s
integration (integration_memberlist)	7m 45s
integration (integration_querier)	15m 36s
integration (integration_ruler)	5m 53s
integration (integration_query_fuzz)	4m 45s
deploy_website	0s
deploy	0s
	1h 38m 11s

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