fix(package): update meow to version 6.0.0

Closes #37

Author: greenkeeper[bot]

package.json

@@ -43,7 +43,7 @@
     "lodash": "4.17.5",
     "markdown-magic": "0.1.20",
     "markdown-magic-install-command": "1.3.1",
-    "meow": "4.0.0",
+    "meow": "6.0.0",
     "object-hash": "1.2.0"
   },
   "devDependencies": {