chore(deps): bump undici from 5.16.0 to 5.18.0

Bumps [undici](https://github.com/nodejs/undici) from 5.16.0 to 5.18.0.
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](nodejs/undici@v5.16.0...v5.18.0)

---
updated-dependencies:
- dependency-name: undici
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

package.json

@@ -89,7 +89,7 @@
   },
   "dependencies": {
     "mqtt": "^4.3.7",
-    "undici": "^5.16.0",
+    "undici": "^5.18.0",
     "validator": "^13.7.0",
     "zod": "^3.20.2"
   },