Refactor Workflow API routes - Part 2 #25251

Job	Run time
build-client / build-client	10m 53s
setup-selenium / setup_chromedriver	6s
Test (3.8, 0)	42m 37s
Test (3.8, 1)	54m 26s
Test (3.8, 2)	48m 58s
	2h 37m 0s

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