Update upstream

ab31481 Use Chunk#getNoiseBiome instead of biome container (2025)

worldedit-bukkit/adapters/adapter-1_18/src/main/java/com/sk89q/worldedit/bukkit/adapter/ext/fawe/v1_18_R1/PaperweightAdapter.java

@@ -781,9 +781,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
             }
             extent.setBlock(vec, state.toBaseBlock());
             if (options.shouldRegenBiomes()) {
-                PalettedContainer<Biome> biomeIndex = chunk.getSection(chunk.getSectionIndex(vec.getBlockY()))
-                        .getBiomes();
-                Biome origBiome = biomeIndex.get(vec.getBlockX(), vec.getBlockY(), vec.getBlockZ());
+                Biome origBiome = chunk.getNoiseBiome(vec.getX(), vec.getY(), vec.getZ());
                 BiomeType adaptedBiome = adapt(serverWorld, origBiome);
                 if (adaptedBiome != null) {
                     extent.setBiome(vec, adaptedBiome);