Upgrade to Laravel 12 and PHP 8.4 #19247

Job	Run time
Run PM4-workflow / Delete Instance	15s
Run PM4-workflow / build-docker-image-EKS	22m 41s
Run PM4-workflow / run-phpunit	43s
Run PM4-workflow / deploy-EKS	0s
Run PM4-workflow / Run API Tests	0s
	23m 39s

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