⬆️ Bump @types/node from 20.5.7 to 20.9.0

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 20.5.7 to 20.9.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

---
updated-dependencies:
- dependency-name: "@types/node"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -24,7 +24,7 @@
     "@google-cloud/functions-framework": "^3.3.0",
     "@types/express": "^4.17.13",
     "@types/jest": "^29.5.4",
-    "@types/node": "^20.5.7",
+    "@types/node": "^20.9.0",
     "@types/source-map-support": "^0.5.7",
     "copyfiles": "^2.4.1",
     "cross-env": "^7.0.3",