fix(*): run PHPStan

Author: gaetan-hexadog

composer.json

@@ -22,7 +22,9 @@
     "require-dev": {
         "phpunit/phpunit": "^7.0|^8.0|^9.0|^10.0",
         "nunomaduro/phpinsights": "^2.8",
-        "laravel/pint": "^1.10"
+        "laravel/pint": "^1.10",
+        "nunomaduro/larastan": "^2.0",
+        "orchestra/testbench": "^8.3"
     },
     "autoload": {
         "psr-4": {
@@ -60,4 +62,4 @@
         "check-style": "vendor/bin/phpcs --extensions=php ./src",
         "fix-style": "vendor/bin/php-cs-fixer fix"
     }
-}
+}