fix(package): update yargs to version 13.1.0 (#501)

Author: greenkeeper[bot]

package.json

@@ -53,7 +53,7 @@
     "teen_process": "^1.9.0",
     "temp": "^0.9.0",
     "ws": "^6.0.0",
-    "yargs": "^12.0.1"
+    "yargs": "^13.1.0"
   },
   "scripts": {
     "clean": "rm -rf node_modules && rm -f package-lock.json && npm install",