Minecraft 1.21.6 and Velocity b513+ support (#110)

Author: UserNugget

src/main/java/net/elytrium/limbofilter/LimboFilter.java

@@ -298,6 +298,7 @@ public void reload() {
             new PacketMapping(0x13, ProtocolVersion.MINECRAFT_1_20_3, false),
             new PacketMapping(0x16, ProtocolVersion.MINECRAFT_1_20_5, false),
             new PacketMapping(0x18, ProtocolVersion.MINECRAFT_1_21_2, false),
+            new PacketMapping(0x19, ProtocolVersion.MINECRAFT_1_21_6, false),
         })
         .registerPacket(PacketDirection.CLIENTBOUND, SetEntityMetadata.class, null, new PacketMapping[]{
             new PacketMapping(0x1C, ProtocolVersion.MINIMUM_VERSION, true),

src/main/java/net/elytrium/limbofilter/protocol/data/ItemFrame.java

@@ -49,8 +49,10 @@ public static int getID(ProtocolVersion protocolVersion) {
       return 60;
     } else if (protocolVersion.compareTo(ProtocolVersion.MINECRAFT_1_21_2) <= 0) {
       return 71;
-    } else {
+    } else if (protocolVersion.compareTo(ProtocolVersion.MINECRAFT_1_21_5) <= 0) {
       return 70;
+    } else {
+      return 71;
     }
   }
 
@@ -65,8 +67,10 @@ public static byte getMetadataIndex(ProtocolVersion protocolVersion) {
       return 6;
     } else if (protocolVersion.compareTo(ProtocolVersion.MINECRAFT_1_16_4) <= 0) {
       return 7;
-    } else {
+    } else if (protocolVersion.compareTo(ProtocolVersion.MINECRAFT_1_21_5) <= 0) {
       return 8;
+    } else {
+      return 9;
     }
   }