FerriteCore – 4.1.0

– Update to 1.18.1 (from 1.18)
– Replace vanilla’s `ThreadingDetector`s in chunk sections with a single (atomically accessed) reference
– Optimize `FastMap` a bit
– Add compatibility for recent lithium preview builds
– Remove Hydrogen compat code
– Hydrogen has been archived, and will not be updated to 1.18+