Update versions in README and modrinth task (#4303)

* Change fabric version

* Update java version

* Update Bedrock version also

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 1.20.0 - 1.20.50 and Minecraft Java 1.20.2
+### Currently supporting Minecraft Bedrock 1.20.0 - 1.20.50 and Minecraft Java 1.20.3
 
 ## Setting Up
 Take a look [here](https://wiki.geysermc.org/geyser/setup/) for how to set up Geyser.

bootstrap/fabric/build.gradle.kts

@@ -119,7 +119,7 @@ modrinth {
     syncBodyFrom.set(rootProject.file("README.md").readText())
 
     uploadFile.set(tasks.getByPath("remapModrinthJar"))
-    gameVersions.addAll("1.20.2")
+    gameVersions.addAll("1.20.3")
 
     loaders.add("fabric")
     failSilently.set(true)