feat(pack): add Noisium (server-side worldgen optimization)

Noisium speeds up chunk-generation noise, reducing worldgen lag spikes for clients. Server-side only; Chunk pregen (Chunky/DH) benefits too.

pack.toml

@@ -6,7 +6,7 @@ pack-format = "packwiz:1.1.0"
 [index]
 file = "index.toml"
 hash-format = "sha256"
-hash = "6e6f44d4629a9e6a98b7cceffe30071abf7c6ae64918ae8c206cbe07c91fb282"
+hash = "86571a188b7c4a121b061d339017b7faf0766472e1302fb2a0adf4feb521f71b"
 
 [versions]
 minecraft = "1.21.1"