chore(deps): update dependency @types/node to v9.4.0

Author: renovate-bot

examples/file-upload/package.json

@@ -11,7 +11,7 @@
   },
   "devDependencies": {
     "@types/mkdirp": "0.5.2",
-    "@types/node": "9.3.0",
+    "@types/node": "9.4.0",
     "ts-node": "4.1.0",
     "typescript": "2.6.2"
   }