[FEAT] Include paho-mqtt to enable Apprise mqtt:// support

[brycied00d]

Is this a new feature request?

• I have searched the existing issues

Wanted change

I would like for the paho-mqtt Python module to be included in this image.

Reason for change

It would be helpful to me if Bazarr's Apprise feature would support mqtt:// URIs. The linuxserver/docker-sabnzbd image already supports this (https://github.com/linuxserver/docker-sabnzbd/blame/4.3.0-ls160/package_versions.txt#L80)

At present, attempting to configure a notification in Bazarr that uses "Apprise API" with an "mqtt://" URI results in an error:

2024-11-22 13:50:09,830 - apprise                          (790b3cc1cb30) :  ERROR (Apprise:173) - mqtt:// is disabled on this system.
2024-11-22 13:50:09,830 - apprise                          (790b3cc1cb30) :  ERROR (Apprise:456) - There are no service(s) to notify

That error is the result of bazarr attempting and failing to import the paho-mqtt module (https://github.com/morpheus65535/bazarr/blob/v1.4.5/libs/apprise/plugins/NotifyMQTT.py#L48-L56)

Proposed code change

I'm not too familiar with LSio's image building system so I'm afraid I don't know how to add this. It appears that with linuxserver/docker-sabnzbd, it was automatically pulled in by sabnzbd's own requirements.txt with their introduction of the Apprise integration (sabnzbd/sabnzbd#2796). Does this issue needs to be taken upstream to bazarr for them to update their requirements.txt?

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