chore(deps): update dependency @types/node to v18 (googleapis#2096)

Author: renovate-bot

package.json

@@ -80,7 +80,7 @@
     "@types/mime-types": "^2.1.0",
     "@types/mocha": "^9.1.1",
     "@types/mockery": "^1.4.29",
-    "@types/node": "^17.0.30",
+    "@types/node": "^18.0.0",
     "@types/node-fetch": "^2.1.3",
     "@types/proxyquire": "^1.3.28",
     "@types/request": "^2.48.4",