chore(deps): bump mqtt from 4.2.3 to 4.2.4 (#640)

Bumps [mqtt](https://github.com/mqttjs/MQTT.js) from 4.2.3 to 4.2.4.
- [Release notes](https://github.com/mqttjs/MQTT.js/releases)
- [Commits](https://github.com/mqttjs/MQTT.js/commits)

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

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

package.json

@@ -30,7 +30,7 @@
     "discord-webhook-node": "^1.1.8",
     "dotenv": "^8.2.0",
     "messaging-api-telegram": "^1.0.1",
-    "mqtt": "^4.2.3",
+    "mqtt": "^4.2.4",
     "node-notifier": "^8.0.0",
     "node-pagerduty": "^1.3.4",
     "nodemailer": "^6.4.14",