Bump google.golang.org/grpc from 1.62.1 to 1.63.2 #8843

Job	Run time
build	3m 46s
lint	16m 17s
CodeQL	6m 46s
test	18m 16s
integration-configs-db	2m 12s
integration (requires_docker)	5m 47s
integration (integration_alertmanager)	4m 0s
integration (integration_backward_compatibility)	7m 59s
integration (integration_memberlist)	7m 21s
integration (integration_querier)	11m 55s
integration (integration_ruler)	3m 58s
integration (integration_query_fuzz)	2m 17s
deploy_website	0s
deploy	0s
	1h 30m 34s

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