chore(main): release 4.7.2 (#1683) #3516

Job	Run time
lint	29s
build	2m 8s
lib-tests-esm (14.x, showcase)	2m 50s
lib-tests (14.x, showcase)	2m 4s
lib-tests-esm (14.x, kms)	2m 30s
lib-tests (14.x, kms)	1m 44s
lib-tests-esm (14.x, translate)	2m 18s
lib-tests (14.x, translate)	1m 32s
lib-tests-esm (14.x, monitoring)	3m 26s
lib-tests (14.x, monitoring)	2m 31s
lib-tests-esm (14.x, dlp)	2m 58s
lib-tests (14.x, dlp)	2m 19s
lib-tests-esm (14.x, texttospeech)	2m 11s
lib-tests (14.x, texttospeech)	1m 23s
lib-tests-esm (14.x, showcase-legacy)	2m 14s
lib-tests (14.x, showcase-legacy)	1m 25s
lib-tests-esm (14.x, compute)	2m 13s
lib-tests (14.x, compute)	1m 31s
lib-tests-esm (14.x, logging)	3m 2s
lib-tests (14.x, logging)	2m 16s
lib-tests-esm (14.x, bigquery-v2)	3m 10s
lib-tests (14.x, bigquery-v2)	2m 23s
lib-tests-esm (14.x, redis)	2m 24s
lib-tests (14.x, redis)	1m 33s
	52m 34s

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