Refactor SwitchTenant task #18577

Job	Run time
Run PM4-workflow / build-docker-image-EKS	9m 0s
Run PM4-workflow / Delete Instance	1s
Run PM4-workflow / run-phpunit	1s
Run PM4-workflow / deploy-EKS	1s
Run PM4-workflow / Run API Tests	1s
	9m 4s

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