Update to Minecraft 1.21.2

By: md_5 <git@md-5.net>

paper-server/nms-patches/net/minecraft/world/level/block/BlockObserver.patch

@@ -1,15 +1,15 @@
 --- a/net/minecraft/world/level/block/BlockObserver.java
 +++ b/net/minecraft/world/level/block/BlockObserver.java
-@@ -15,6 +15,8 @@
- import net.minecraft.world.level.block.state.properties.BlockProperties;
- import net.minecraft.world.level.block.state.properties.BlockStateBoolean;
+@@ -18,6 +18,8 @@
+ import net.minecraft.world.level.redstone.ExperimentalRedstoneUtils;
+ import net.minecraft.world.level.redstone.Orientation;
  
 +import org.bukkit.craftbukkit.event.CraftEventFactory; // CraftBukkit
 +
  public class BlockObserver extends BlockDirectional {
  
      public static final MapCodec<BlockObserver> CODEC = simpleCodec(BlockObserver::new);
-@@ -48,8 +50,18 @@
+@@ -51,8 +53,18 @@
      @Override
      protected void tick(IBlockData iblockdata, WorldServer worldserver, BlockPosition blockposition, RandomSource randomsource) {
          if ((Boolean) iblockdata.getValue(BlockObserver.POWERED)) {