Build: Bump google-auth from 2.48.0 to 2.50.0 #109

Job	Run time
integration-test-gcs	1m 33s
integration-test	11m 38s
integration-test-adls	1m 45s
lint-and-unit-test (3.13)	3m 59s
integration-test-s3	1m 25s
lint-and-unit-test (3.12)	4m 23s
lint-and-unit-test (3.11)	3m 49s
lint-and-unit-test (3.10)	3m 50s
integration-coverage-report	33s
	32m 55s

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