chore: ensure we use the current version of the auth library in the monorepo #759

Job	Run time
filter	1m 10s
showcase-clirr	5m 50s
build(25) except self-service clients	4m 1s
build (11)	14m 24s
build (17)	14m 26s
build(8) for gapic-generator-java	11m 9s
build(8) except for gapic-generator-java	4m 13s
build(8) for showcase	9m 51s
build(21) except self-service clients	3m 48s
unmanaged_dependency_check	6m 48s
showcase (17)	5m 17s
dependency_analyzer_unit_test	1m 19s
showcase (11)	5m 17s
gapic-generator-java-bom	5m 0s
showcase (25)	5m 16s
showcase (21)	5m 0s
	1h 42m 49s

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