[TASK] Update phpunit/phpunit to v12

| datasource | package         | from   | to     |
| ---------- | --------------- | ------ | ------ |
| packagist  | phpunit/phpunit | 11.5.7 | 12.0.2 |

composer.json

@@ -49,7 +49,7 @@
 		"ergebnis/composer-normalize": "2.45.0",
 		"phpstan/extension-installer": "1.4.3",
 		"phpstan/phpstan-symfony": "2.0.2",
-		"phpunit/phpunit": "11.5.7",
+		"phpunit/phpunit": "12.0.2",
 		"symfony/browser-kit": "7.2.0",
 		"symfony/phpunit-bridge": "7.2.0"
 	},