chore(main): release 1.85.0 #1112

Job	Run time
filter	1m 4s
build(8) except for gapic-generator-java	1m 23s
build(8) for showcase	10m 34s
build(21) except self-service clients	10m 17s
build(8) for gapic-generator-java	8m 52s
build (11)	10m 39s
build (17)	10m 36s
dependency_analyzer_unit_test	1m 17s
unmanaged_dependency_check	11m 24s
gapic-generator-java-bom	4m 15s
showcase-clirr	5m 0s
build(25) except self-service clients	10m 38s
showcase (11)	13m 52s
showcase (25)	13m 41s
showcase (21)	13m 13s
showcase (17)	13m 44s
	2h 20m 29s

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