chore: bump @types/node from 18.19.29 to 20.12.4 (#139)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package.json

@@ -64,7 +64,7 @@
     "mqtt-packet": "^9.0.0"
   },
   "devDependencies": {
-    "@types/node": "^18.6.3",
+    "@types/node": "^20.12.4",
     "@typescript-eslint/eslint-plugin": "^5.32.0",
     "@typescript-eslint/parser": "^5.32.0",
     "faucet": "0.0.4",