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

wlroots: update to 0.15.1.
https://github.com/void-linux/void-packages/pull/35017

Description:
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#### Testing the changes
- I tested the changes in this PR: **NO**



TODO:
- [x] Get wayland 1.20.0 update merged: #34448
- [x] river
- [x] sway
- [ ] wayfire: https://github.com/WayfireWM/wayfire/issues/1386
- [x] hikari
- [ ] cage https://github.com/Hjdskes/cage/issues/232