Refactor SwitchTenant task #18589

Job	Run time
Run PM4-workflow / build-docker-image-EKS	24m 46s
Run PM4-workflow / Delete Instance	3s
Run PM4-workflow / deploy-EKS	41m 1s
Run PM4-workflow / run-phpunit	27m 20s
Run PM4-workflow / Run API Tests	0s
	1h 33m 10s

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