chore(package): update @types/request to version 0.0.39

https://greenkeeper.io/

package.json

@@ -120,7 +120,7 @@
     "@types/fluent-ffmpeg": "0.0.2",
     "@types/mime": "0.0.29",
     "@types/node": "6.0.55",
-    "@types/request": "0.0.38",
+    "@types/request": "0.0.39",
     "@types/sinon": "1.16.33",
     "@types/ws": "0.0.37",
     "apiai": "3.0.3",