Merge pull request #18587 from ivanvc/release-3.4-release-push-tag #15203

Job	Run time
test (linux-amd64-fmt)	57s
test (linux-amd64-integration-1-cpu)	4m 50s
test (linux-amd64-integration-2-cpu)	9m 38s
test (linux-amd64-integration-4-cpu)	9m 24s
test (linux-amd64-functional)	8m 16s
test (linux-amd64-unit-4-cpu-race)	46s
test (all-build)	3m 33s
test (linux-amd64-grpcproxy)	15m 0s
test (linux-amd64-e2e)	13m 56s
test (linux-386-unit)	39s
	1h 6m 59s

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