There's a merged pull request on the void-packages repository

pulseaudio: enable glib schema installation
https://github.com/void-linux/void-packages/pull/33219

Description:
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#### General
- [ ] This is a new package and it conforms to the [quality requirements](https://github.com/void-linux/void-packages/blob/master/Manual.md#quality-requirements)

#### Have the results of the proposed changes been tested?
- [x] I use the packages affected by the proposed changes on a regular basis and confirm this PR works for me
- [ ] I generally don't use the affected packages but briefly tested this PR

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`paprefs` relies on `org.freedesktop.pulseaudio.gschema.xml` being installed / compiled into `/usr/share/glib-2.0/schemas/` . 

```
(paprefs:8700): GLib-GIO-ERROR **: 13:13:47.730: Settings schema 'org.freedesktop.pulseaudio.module-group' is not installed
fish: Job 1, 'paprefs' terminated by signal SIGTRAP (Trace or breakpoint trap)
```