Update thanos version to bring posting fetch optimization (#5556) #1338

Job	Run time
build	6m 34s
test	22m 57s
lint	6m 18s
integration-configs-db	3m 54s
integration (requires_docker)	6m 10s
integration (integration_alertmanager)	4m 42s
integration (integration_backward_compatibility)	11m 5s
integration (integration_memberlist)	9m 41s
integration (integration_querier)	14m 22s
integration (integration_ruler)	4m 45s
integration (integration_query_fuzz)	3m 36s
deploy	0s
deploy_website	0s
	1h 34m 4s

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