Libraries:

atomicfu 0.19.0 -> 0.20.0
kx.serialization 1.4.1 -> 1.5.0
kotlin 1.8.0 -> 1.8.10
qsl 4.0.0-beta.1+1.19.3 -> 4.0.0-beta.9+1.19.3

This release additionally fixes a warning on quilt loader >= 0.18.1 by requiring loader 0.18.1 and using some of its APIs