Indicate 1.18.31 support for Geyser

This uses the same protocol version as 1.18.30, so no further changes are required.

README.md

@@ -17,7 +17,7 @@ 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 1.18.0 - 1.18.30 and Minecraft Java 1.18.2.
+### Currently supporting Minecraft Bedrock 1.18.0 - 1.18.31 and Minecraft Java 1.18.2.
 
 ## 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/MinecraftProtocol.java

@@ -62,7 +62,9 @@ public final class MinecraftProtocol {
         SUPPORTED_BEDROCK_CODECS.add(Bedrock_v486.V486_CODEC.toBuilder()
                 .minecraftVersion("1.18.10/1.18.12") // 1.18.11 is also supported, but was only on Switch and since that auto-updates it's not needed
                 .build());
-        SUPPORTED_BEDROCK_CODECS.add(DEFAULT_BEDROCK_CODEC);
+        SUPPORTED_BEDROCK_CODECS.add(DEFAULT_BEDROCK_CODEC.toBuilder()
+                .minecraftVersion("1.18.30/1.18.31")
+                .build());
     }
 
     /**