[TASK] Update PHPStan packages to v2

| datasource | package                 | from   | to    |
| ---------- | ----------------------- | ------ | ----- |
| packagist  | phpstan/phpstan-phpunit | 1.4.2  | 2.0.3 |
| packagist  | phpstan/phpstan-symfony | 1.4.13 | 2.0.1 |

Tests/CGL/composer.json

@@ -6,8 +6,8 @@
 		"eliashaeussler/rector-config": "^3.0",
 		"ergebnis/composer-normalize": "^2.39",
 		"phpstan/extension-installer": "^1.3",
-		"phpstan/phpstan-phpunit": "^1.3",
-		"phpstan/phpstan-symfony": "^1.3",
+		"phpstan/phpstan-phpunit": "^2.0",
+		"phpstan/phpstan-symfony": "^2.0",
 		"saschaegerer/phpstan-typo3": "^1.9",
 		"ssch/typo3-rector": "^2.0",
 		"typo3/coding-standards": "^0.8.0"