chore(deps): update dependency pestphp/pest to v4

Author: renovate[bot]

composer.json

@@ -38,7 +38,7 @@
         "cs": "phpcs"
     },
     "require-dev": {
-        "pestphp/pest": "^3.8",
+        "pestphp/pest": "^4.0",
         "phpstan/phpstan": "^2.1",
         "rector/rector": "*",
         "squizlabs/php_codesniffer": "^3.13 || ^4.0",