Bump paho-mqtt from 1.5.0 to 1.5.1
Bump paho-mqtt from 1.5.0 to 1.5.1

Bumps [paho-mqtt](https://github.com/eclipse/paho.mqtt.python) from 1.5.0 to 1.5.1.
- [Release notes](https://github.com/eclipse/paho.mqtt.python/releases)
- [Changelog](https://github.com/eclipse/paho.mqtt.python/blob/master/ChangeLog.txt)
- [Commits](https://github.com/eclipse/paho.mqtt.python/commits)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
acockburn/appdaemon,acockburn/appdaemon