chore(deps): Bump @types/node from 20.8.10 to 20.9.0

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 20.8.10 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

@@ -34,7 +34,7 @@
     "@relaycorp/eslint-config": "^1.1.160",
     "@relaycorp/shared-config": "^1.14.1",
     "@types/jest": "^29.5.4",
-    "@types/node": "^20.8.10",
+    "@types/node": "^20.9.0",
     "@types/split2": "^4.2.2",
     "del-cli": "^5.0.0",
     "get-port": "^7.0.0",