chore(deps-dev): bump mqtt from 5.12.0 to 5.12.1

Bumps [mqtt](https://github.com/mqttjs/MQTT.js) from 5.12.0 to 5.12.1.
- [Release notes](https://github.com/mqttjs/MQTT.js/releases)
- [Changelog](https://github.com/mqttjs/MQTT.js/blob/main/CHANGELOG.md)
- [Commits](mqttjs/MQTT.js@v5.12.0...v5.12.1)

---
updated-dependencies:
- dependency-name: mqtt
  dependency-version: 5.12.1
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -158,7 +158,7 @@
     "markdown-table": "2.0.0",
     "mocha": "11.2.2",
     "mongoose": "8.14.1",
-    "mqtt": "5.12.0",
+    "mqtt": "5.12.1",
     "multer": "1.4.5-lts.2",
     "mysql2": "3.14.1",
     "nats": "2.29.3",