Update to 26.1.2

(Pull request by SwordfishBE on GitHub)

Fix pack.mcmeta

Fixes neoforge crash

For the sake of not having to update the mod in the future (and my sanity), I've switched this mod to rely on Lithostitched to implement the biome/worldgen modifier for both Fabric and NeoForge; as a result, this mod is supported for any version of Minecraft that Lithostitched is available.

Update metadata to datapack version 41