Bump glob-parent, mqtt and watchpack

Bumps [glob-parent](https://github.com/gulpjs/glob-parent) to 5.1.2 and updates ancestor dependencies [glob-parent](https://github.com/gulpjs/glob-parent), [mqtt](https://github.com/mqttjs/MQTT.js) and [watchpack](https://github.com/webpack/watchpack). These dependencies need to be updated together.


Updates `glob-parent` from 3.1.0 to 5.1.2
- [Release notes](https://github.com/gulpjs/glob-parent/releases)
- [Changelog](https://github.com/gulpjs/glob-parent/blob/main/CHANGELOG.md)
- [Commits](gulpjs/glob-parent@v3.1.0...v5.1.2)

Updates `mqtt` from 3.0.0 to 4.3.7
- [Release notes](https://github.com/mqttjs/MQTT.js/releases)
- [Changelog](https://github.com/mqttjs/MQTT.js/blob/main/CHANGELOG.md)
- [Commits](mqttjs/MQTT.js@v3.0.0...v4.3.7)

Updates `watchpack` from 1.6.0 to 1.7.5
- [Release notes](https://github.com/webpack/watchpack/releases)
- [Commits](webpack/watchpack@v1.6.0...v1.7.5)

---
updated-dependencies:
- dependency-name: glob-parent
  dependency-type: indirect
- dependency-name: mqtt
  dependency-type: direct:production
- dependency-name: watchpack
  dependency-type: indirect
...

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