Add Microsoft Graph token provider with client credentials flow and unit tests #20568

Job	Run time
Run PM4-workflow / build-docker-image-EKS	5m 43s
Run PM4-workflow / Delete Instance	0s
Run PM4-workflow / run-phpunit	1s
Run PM4-workflow / deploy-EKS	1s
Run PM4-workflow / Run API Tests	1s
Run PM4-workflow / Run Testbench	1s
	5m 47s

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