Upgrade to Laravel 13 and PHP 8.5 #19278

Job	Run time
Run PM4-workflow / Delete Instance	1s
Run PM4-workflow / build-docker-image-EKS	23m 32s
Run PM4-workflow / run-phpunit	38m 58s
Run PM4-workflow / deploy-EKS	-1s
Run PM4-workflow / Run API Tests	-1s
	1h 2m 29s

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