chore(main): release 4.7.0 #3435

Job	Run time
build	6m 37s
lint	27s
lib-tests-esm (14.x, showcase)	2m 44s
lib-tests-esm (14.x, kms)	2m 23s
lib-tests (14.x, showcase)	2m 2s
lib-tests-esm (14.x, translate)	2m 20s
lib-tests (14.x, kms)	1m 44s
lib-tests (14.x, translate)	1m 36s
lib-tests (14.x, monitoring)	2m 33s
lib-tests (14.x, dlp)	2m 25s
lib-tests (14.x, texttospeech)	1m 34s
lib-tests-esm (14.x, monitoring)	3m 22s
lib-tests (14.x, showcase-legacy)	1m 21s
lib-tests-esm (14.x, dlp)	2m 55s
lib-tests (14.x, compute)	1m 35s
lib-tests-esm (14.x, texttospeech)	2m 5s
lib-tests (14.x, logging)	2m 22s
lib-tests-esm (14.x, showcase-legacy)	2m 17s
lib-tests (14.x, bigquery-v2)	2m 35s
lib-tests-esm (14.x, compute)	2m 16s
lib-tests-esm (14.x, logging)	3m 1s
lib-tests-esm (14.x, bigquery-v2)	2m 57s
	53m 11s

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