Bump aiomqtt from 1.2.1 to 2.3.0

Bumps [aiomqtt](https://github.com/empicano/aiomqtt) from 1.2.1 to 2.3.0.
- [Release notes](https://github.com/empicano/aiomqtt/releases)
- [Changelog](https://github.com/empicano/aiomqtt/blob/main/CHANGELOG.md)
- [Commits](empicano/aiomqtt@v1.2.1...v2.3.0)

---
updated-dependencies:
- dependency-name: aiomqtt
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

requirements.txt

@@ -1,4 +1,4 @@
 pyaarlo @ git+https://github.com/twrecked/pyaarlo
 python-decouple
-aiomqtt==2.0.1
+aiomqtt==2.3.0
 aiostream