retry chunk pool exhaustion error in querier, not in query frontend #7803

Job	Run time
test	27m 43s
build	7m 2s
lint	7m 22s
integration-configs-db	3m 2s
integration (requires_docker)	7m 59s
integration (integration_alertmanager)	4m 37s
integration (integration_backward_compatibility)	10m 4s
integration (integration_memberlist)	7m 56s
integration (integration_querier)	14m 27s
integration (integration_ruler)	5m 4s
integration (integration_query_fuzz)	2m 47s
deploy_website	0s
deploy	0s
	1h 38m 3s

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