Modernize the entire codebase #12951

Job	Run time
lint	6m 4s
test	11m 1s
CodeQL	6m 57s
test-no-race	8m 57s
build	4m 57s
integration-configs-db	3m 6s
integration (requires_docker)	10m 45s
integration (integration_alertmanager)	4m 44s
integration (integration_remote_write_v2)	2m 48s
integration (integration_query_fuzz)	6m 9s
integration (integration_memberlist)	8m 30s
integration (integration_backward_compatibility)	11m 15s
integration (integration_querier)	16m 18s
integration (integration_ruler)	6m 7s
deploy_website	0s
deploy	0s
test-no-race	8m 57s
build	4m 57s
test	11m 1s
deploy_website	-27609s
integration-configs-db	3m 6s
integration (integration_alertmanager)	4m 44s
integration (integration_backward_compatibility)	11m 15s
integration (integration_querier)	16m 18s
integration (requires_docker)	10m 45s
integration (integration_memberlist)	8m 30s
integration (integration_query_fuzz)	6m 32s
integration (integration_ruler)	6m 7s
integration (integration_remote_write_v2)	2m 48s
lint	6m 4s
CodeQL	6m 57s
deploy	0s
	-14670s

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