Issues with mesa due to llvm update

[freggel.doe]

@Ancestr

After update I do have issues with the graphics drivers.

> pacman -Qs mesa
...
local/mesa 1:23.1.6-1

[Unstable Update] 2023-05-21 - Repository changes

Users of the mesa-nonfree repo need to watch out for llvm update: https://forum.manjaro.org/t/behind-the-scene-manjaro-community-mesa-nonfree-codecs/135012/20 mesa packages need a rebuild and that repo lags behind.