Pure Optimize

Update ImmediatelyFast from 1.3.5+1.21.4 to 1.8.0+1.21.4

Update Fabric API from 118.0+1.21.4 to 119.2+1.21.4

Update Lithium from 0.14.8+mc1.21.4 to 0.15.0+mc1.21.4

Update C^2M-Engine from 0.3.1.2+rc.1.0 to 0.3.2+alpha0.41

Add Sepals mod to reduce lag