fix(package): update meow to version 6.0.0

Closes #15

Author: greenkeeper[bot]

package.json

@@ -128,7 +128,7 @@
     "conf": "^1.4.0",
     "core-js": "^2.5.3",
     "get-stdin": "^5.0.1",
-    "meow": "^4.0.0",
+    "meow": "^6.0.0",
     "ora": "^1.3.0",
     "update-notifier": "^2.3.0"
   }