Update composer.json

Author: narendravaghela

composer.json

@@ -62,5 +62,9 @@
         "test": "phpunit --colors=always"
     },
     "prefer-stable": true,
-    "minimum-stability": "dev"
+    "config": {
+        "allow-plugins": {
+            "dealerdirect/phpcodesniffer-composer-installer": true
+        }
+    }
 }