Move php 8.4 version to stable, try 8.5 as experemental (#24) #53

Job	Run time
Test on PHP 7.4 with lowest composer prefer option	46s
Test on PHP 7.4 with stable composer prefer option	46s
Test on PHP 8 with lowest composer prefer option	39s
Test on PHP 8 with stable composer prefer option	38s
Test on PHP 8.1 with lowest composer prefer option	45s
Test on PHP 8.1 with stable composer prefer option	39s
Test on PHP 8.2 with lowest composer prefer option	38s
Test on PHP 8.2 with stable composer prefer option	40s
Test on PHP 8.3 with lowest composer prefer option	39s
Test on PHP 8.3 with stable composer prefer option	45s
Test on PHP 8.4 with lowest composer prefer option	37s
Test on PHP 8.4 with stable composer prefer option	39s
Test on PHP 8.5 with stable composer prefer option	56s
	9m 7s

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