Merge pull request #371 from line/renovate/node-16.x

Update dependency @types/node to v16

Author: tokuhirom

package-lock.json

@@ -37,7 +37,7 @@
   ],
   "dependencies": {
     "@types/body-parser": "^1.19.2",
-    "@types/node": "^14.18.12",
+    "@types/node": "^16.0.0",
     "axios": "^0.27.0",
     "body-parser": "^1.20.0",
     "file-type": "^16.5.4",