chore: bump @types/node from 18.19.29 to 20.12.3

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 18.19.29 to 20.12.3.
- [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-major
...

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

package.json

@@ -64,7 +64,7 @@
     "mqtt-packet": "^9.0.0"
   },
   "devDependencies": {
-    "@types/node": "^18.6.3",
+    "@types/node": "^20.12.3",
     "@typescript-eslint/eslint-plugin": "^5.32.0",
     "@typescript-eslint/parser": "^5.32.0",
     "faucet": "0.0.4",