[TASK] Update phpunit/phpunit to v12

| datasource | package         | from    | to     |
| ---------- | --------------- | ------- | ------ |
| packagist  | phpunit/phpunit | 10.5.45 | 12.1.2 |

Author: renovate[bot]

composer.json

@@ -50,7 +50,7 @@
 		"phpstan/phpstan-strict-rules": "^2.0",
 		"phpstan/phpstan-symfony": "^2.0",
 		"phpstan/phpstan-webmozart-assert": "^2.0",
-		"phpunit/phpunit": "^10.1 || ^11.0",
+		"phpunit/phpunit": "^10.1 || ^11.0 || ^12.0",
 		"rector/rector": "^2.0",
 		"seld/jsonlint": "^1.10"
 	},