Update thanos to latest main to pull lazy posting improvements (#6411) #1907

Job	Run time
build	4m 22s
lint	4m 27s
CodeQL	7m 21s
test	15m 46s
integration-configs-db	2m 44s
integration (requires_docker)	7m 25s
integration (integration_alertmanager)	4m 8s
integration (integration_backward_compatibility)	10m 40s
integration (integration_memberlist)	7m 29s
integration (integration_querier)	15m 18s
integration (integration_ruler)	5m 41s
integration (integration_query_fuzz)	4m 47s
deploy_website	0s
deploy	0s
	1h 30m 8s

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