Update to Minecraft 1.21

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

paper-server/nms-patches/net/minecraft/world/entity/boss/wither/EntityWither.patch

@@ -1,6 +1,6 @@
 --- a/net/minecraft/world/entity/boss/wither/EntityWither.java
 +++ b/net/minecraft/world/entity/boss/wither/EntityWither.java
-@@ -58,6 +58,18 @@
+@@ -59,6 +59,18 @@
  import net.minecraft.world.level.block.state.IBlockData;
  import net.minecraft.world.phys.Vec3D;
  
@@ -19,7 +19,7 @@
  public class EntityWither extends EntityMonster implements PowerableMob, IRangedEntity {
  
      private static final DataWatcherObject<Integer> DATA_TARGET_A = DataWatcher.defineId(EntityWither.class, DataWatcherRegistry.INT);
-@@ -254,15 +266,40 @@
+@@ -255,15 +267,40 @@
              i = this.getInvulnerableTicks() - 1;
              this.bossEvent.setProgress(1.0F - (float) i / 220.0F);
              if (i <= 0) {
@@ -63,7 +63,7 @@
              }
  
          } else {
-@@ -307,6 +344,7 @@
+@@ -308,6 +345,7 @@
                          if (!list.isEmpty()) {
                              EntityLiving entityliving1 = (EntityLiving) list.get(this.random.nextInt(list.size()));
  
@@ -71,7 +71,7 @@
                              this.setAlternativeTarget(i, entityliving1.getId());
                          }
                      }
-@@ -333,6 +371,11 @@
+@@ -334,6 +372,11 @@
                          IBlockData iblockdata = this.level().getBlockState(blockposition);
  
                          if (canDestroy(iblockdata)) {
@@ -83,7 +83,7 @@
                              flag = this.level().destroyBlock(blockposition, true, this) || flag;
                          }
                      }
-@@ -344,7 +387,7 @@
+@@ -345,7 +388,7 @@
              }
  
              if (this.tickCount % 20 == 0) {
@@ -92,7 +92,7 @@
              }
  
              this.bossEvent.setProgress(this.getHealth() / this.getMaxHealth());
-@@ -500,7 +543,7 @@
+@@ -502,7 +545,7 @@
      @Override
      public void checkDespawn() {
          if (this.level().getDifficulty() == EnumDifficulty.PEACEFUL && this.shouldDespawnInPeaceful()) {