chore(package): update standard to version 14.3.0

Closes #13

Author: greenkeeper[bot]

package.json

@@ -56,6 +56,6 @@
     "mdprepare": "^1.0.0",
     "mocha": "^5.0.0",
     "nyc": "^12.0.2",
-    "standard": "^12.0.1"
+    "standard": "^14.3.0"
   }
 }