update: composer

composer.json

@@ -71,5 +71,11 @@
         "post-create-project-cmd": [
             "@php artisan key:generate --ansi"
         ]
+    },
+    "repositories": {
+        "packagist": {
+            "type": "composer",
+            "url": "https://packagist.org"
+        }
     }
 }