Fix incorrect yup schema (#388) #2137

Job	Run time
build-ui	1m 50s
build-cluster-init	12s
build-router	1m 1s
release-rules	3s
test-engines-experiment	17s
build-test-experiment-engine-plugin	34s
build-api	1m 53s
test-engines-router	2m 1s
test-api	2m 55s
test-e2e (In-cluster credentials; API e2e)	13m 28s
test-e2e (Remote cluster credentials; SDK e2e)	13m 18s
publish / publish-app	21s
publish / publish-router	13s
	38m 6s

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