Bump com.hivemq:hivemq-extension-sdk in /modules/hivemq

Bumps [com.hivemq:hivemq-extension-sdk](https://github.com/hivemq/hivemq-extension-sdk) from 4.47.1 to 4.50.0.
- [Release notes](https://github.com/hivemq/hivemq-extension-sdk/releases)
- [Commits](https://github.com/hivemq/hivemq-extension-sdk/compare/4.47.1...4.50.0)

---
updated-dependencies:
- dependency-name: com.hivemq:hivemq-extension-sdk
  dependency-version: 4.50.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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