fix(package): update yargs to version 9.0.1 (#89)

greenkeeper[bot] · elliotttf · commit 08dbcdf3d7b2 · 2017-09-27T08:03:03.000-05:00
diff --git a/package.json b/package.json
@@ -45,7 +45,7 @@
   },
   "dependencies": {
     "ajv": "^5.2.2",
-    "yargs": "^8.0.2"
+    "yargs": "^9.0.1"
   },
   "engines": {
     "node": ">=6"
