Update dependency phpstan/phpstan-strict-rules to v2

| datasource | package                      | from  | to    |
| ---------- | ---------------------------- | ----- | ----- |
| packagist  | phpstan/phpstan-strict-rules | 1.6.1 | 2.0.0 |

Author: renovate[bot]

composer.json

@@ -16,7 +16,7 @@
     "require-dev": {
         "phpstan/phpstan": "^1.12.9",
         "phpstan/phpstan-phpunit": "^1.4.0",
-        "phpstan/phpstan-strict-rules": "^1.6.1",
+        "phpstan/phpstan-strict-rules": "^2.0.0",
         "phpunit/phpunit": "^11.4.3",
         "slam/php-cs-fixer-extensions": "^3.12.0",
         "symfony/console": "^7.1.7"