chore(package): update yargs-parser to version 4.0.2 (#405)

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -96,7 +96,7 @@
     "spawn-wrap": "^1.2.4",
     "test-exclude": "^2.1.2",
     "yargs": "^5.0.0",
-    "yargs-parser": "^3.1.0"
+    "yargs-parser": "^4.0.2"
   },
   "devDependencies": {
     "any-path": "^1.3.0",