build: Update golden integration tests scripts #226

Job	Run time
filter	1m 9s
dependency_analyzer_unit_test	1m 18s
build(8) except for gapic-generator-java	3m 57s
build(8) for showcase	9m 3s
showcase-clirr	5m 12s
build (11)	13m 59s
build(21) except self-service clients	12m 25s
showcase (25)	10m 0s
build (17)	14m 4s
unmanaged_dependency_check	11m 6s
showcase (11)	9m 32s
build(8) for gapic-generator-java	11m 24s
build(25) except self-service clients	12m 22s
gapic-generator-java-bom	2m 29s
showcase (17)	10m 9s
showcase (21)	9m 58s
	2h 18m 7s

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