Update PHPStan packages to v2

| datasource | package                           | from   | to    |
| ---------- | --------------------------------- | ------ | ----- |
| packagist  | phpstan/phpstan                   | 1.12.9 | 2.0.0 |
| packagist  | phpstan/phpstan-deprecation-rules | 1.2.1  | 2.0.0 |
| packagist  | phpstan/phpstan-phpunit           | 1.4.0  | 2.0.0 |
| packagist  | phpstan/phpstan-strict-rules      | 1.6.1  | 2.0.0 |

composer.json

@@ -17,10 +17,10 @@
         "infection/infection": "^0.29",
         "lcobucci/coding-standard": "^11.1.0",
         "phpstan/extension-installer": "^1.3.1",
-        "phpstan/phpstan": "^1.10.25",
-        "phpstan/phpstan-deprecation-rules": "^1.1.3",
-        "phpstan/phpstan-phpunit": "^1.3.13",
-        "phpstan/phpstan-strict-rules": "^1.5.1",
+        "phpstan/phpstan": "^2.0.0",
+        "phpstan/phpstan-deprecation-rules": "^2.0.0",
+        "phpstan/phpstan-phpunit": "^2.0.0",
+        "phpstan/phpstan-strict-rules": "^2.0.0",
         "phpunit/phpunit": "^11.3.6"
     },
     "provide": {