Update dependency phpunit/phpunit to v12

Author: renovate[bot]

composer.json

@@ -14,7 +14,7 @@
 		"phpstan/phpstan-deprecation-rules": "^2.0.2",
 		"phpstan/phpstan-phpunit": "^2.0",
 		"phpstan/phpstan-strict-rules": "^2.0",
-		"phpunit/phpunit": "^11.5.23"
+		"phpunit/phpunit": "^12.0.0"
 	},
 	"config": {
 		"sort-packages": true,