Start preparing for release 1.18 (#6164) #2

Job	Run time
CodeQL	7m 9s
build	3m 51s
lint	4m 18s
test	14m 56s
integration-configs-db	2m 11s
integration (requires_docker)	6m 31s
integration (integration_alertmanager)	4m 5s
integration (integration_backward_compatibility)	9m 8s
integration (integration_memberlist)	7m 2s
integration (integration_querier)	12m 35s
integration (integration_ruler)	4m 39s
integration (integration_query_fuzz)	2m 38s
deploy_website	0s
deploy	0s
	1h 19m 3s

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