Update to Minecraft 1.20.3

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

paper-server/nms-patches/net/minecraft/network/protocol/PlayerConnectionUtils.patch

@@ -1,6 +1,6 @@
 --- a/net/minecraft/network/protocol/PlayerConnectionUtils.java
 +++ b/net/minecraft/network/protocol/PlayerConnectionUtils.java
-@@ -8,6 +8,11 @@
+@@ -9,6 +9,11 @@
  import net.minecraft.util.thread.IAsyncTaskHandler;
  import org.slf4j.Logger;
  
@@ -12,7 +12,7 @@
  public class PlayerConnectionUtils {
  
      private static final Logger LOGGER = LogUtils.getLogger();
-@@ -21,6 +26,7 @@
+@@ -22,6 +27,7 @@
      public static <T extends PacketListener> void ensureRunningOnSameThread(Packet<T> packet, T t0, IAsyncTaskHandler<?> iasynctaskhandler) throws CancelledPacketHandleException {
          if (!iasynctaskhandler.isSameThread()) {
              iasynctaskhandler.executeIfPossible(() -> {
@@ -20,7 +20,7 @@
                  if (t0.shouldHandleMessage(packet)) {
                      try {
                          packet.handle(t0);
-@@ -46,6 +52,10 @@
+@@ -60,6 +66,10 @@
  
              });
              throw CancelledPacketHandleException.RUNNING_ON_DIFFERENT_THREAD;