chore(package): update urllib to version 2.16.1 (#146)

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -77,7 +77,7 @@
     "mime": "^1.3.4",
     "platform": "^1.3.1",
     "sdk-base": "^2.0.1",
-    "urllib": "^2.9.1",
+    "urllib": "^2.16.1",
     "utility": "^1.8.0",
     "xml2js": "^0.4.16"
   }