chore(package): update request to version 2.78.0

https://greenkeeper.io/

package.json

@@ -41,7 +41,7 @@
     "mime": "~1.3.4",
     "node-df": "crafatar/node-df",
     "redis": "~2.5.2",
-    "request": "~2.69.0",
+    "request": "~2.78.0",
     "toobusy-js": "~0.4.2"
   },
   "devDependencies": {