chore(deps): update dependency gapic-tools to ^0.4.6 #3349

Job	Run time
build	2m 4s
lint	31s
lib-tests-esm (14.x, showcase)	2m 46s
lib-tests (14.x, showcase)	2m 1s
lib-tests-esm (14.x, kms)	2m 26s
lib-tests (14.x, kms)	1m 41s
lib-tests-esm (14.x, translate)	2m 15s
lib-tests (14.x, translate)	1m 32s
lib-tests-esm (14.x, monitoring)	3m 18s
lib-tests (14.x, monitoring)	2m 34s
lib-tests-esm (14.x, dlp)	2m 53s
lib-tests (14.x, dlp)	2m 17s
lib-tests-esm (14.x, texttospeech)	2m 6s
lib-tests (14.x, texttospeech)	1m 24s
lib-tests-esm (14.x, showcase-legacy)	2m 13s
lib-tests (14.x, showcase-legacy)	1m 21s
lib-tests-esm (14.x, compute)	2m 13s
lib-tests (14.x, compute)	1m 29s
lib-tests-esm (14.x, logging)	3m 6s
lib-tests (14.x, logging)	2m 17s
	42m 27s

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