Indicate support for Bedrock 1.21.3

Author: Camotoy

README.md

@@ -14,7 +14,7 @@ The ultimate goal of this project is to allow Minecraft: Bedrock Edition users t
 
 Special thanks to the DragonProxy project for being a trailblazer in protocol translation and for all the team members who have joined us here!
 
-### Currently supporting Minecraft Bedrock 1.20.80 - 1.21.2 and Minecraft Java 1.21
+### Currently supporting Minecraft Bedrock 1.20.80 - 1.21.3 and Minecraft Java 1.21
 
 ## Setting Up
 Take a look [here](https://wiki.geysermc.org/geyser/setup/) for how to set up Geyser.

core/src/main/java/org/geysermc/geyser/network/GameProtocol.java

@@ -73,7 +73,9 @@ public final class GameProtocol {
         SUPPORTED_BEDROCK_CODECS.add(CodecProcessor.processCodec(Bedrock_v685.CODEC.toBuilder()
             .minecraftVersion("1.21.0/1.21.1")
             .build()));
-        SUPPORTED_BEDROCK_CODECS.add(DEFAULT_BEDROCK_CODEC);
+        SUPPORTED_BEDROCK_CODECS.add(DEFAULT_BEDROCK_CODEC.toBuilder()
+            .minecraftVersion("1.21.2/1.21.3")
+            .build());
     }
 
     /**