fix(package): update yargs to version 13.2.4

Closes #2

Author: greenkeeper[bot]

package.json

@@ -25,7 +25,7 @@
         "bunyan": "^1.8.12",
         "js-yaml": "^3.10.0",
         "node-dash-button": "^0.6.1",
-        "yargs": "^10.0.3"
+        "yargs": "^13.2.4"
     },
     "devDependencies": {
         "eslint": "^4.11.0"