Update composer.json

Author: szepeviktor

composer.json

@@ -21,7 +21,7 @@
         "psy/psysh": "@stable",
         "phpunit/phpunit": "^9",
         "vlucas/phpdotenv": "^5.2",
-        "phpstan/phpstan": "^2.1"
+        "phpstan/phpstan": "^1.12 || ^2.1"
     },
     "license": "MIT",
     "minimum-stability": "stable",