Update dependency phpunit/phpunit to v12.5.8 [SECURITY] #103

Job	Run time
Create Release / Required Labels / Required Labels	5s
Create Release / Set Milestone / Supported Versions Matrix	5s
Create Release / Craft Release	0s
Create Release / Diff	0s
Create Release / Set Milestone / Supported Threading Matrix / Supported Threading Matrix	4s
Create Release / Set Milestone / Figure out what the version should be	3m 1s
Create Release / Set Milestone / Set Milestone / Set Milestone	11s
	3m 26s

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