fixed github actions java version

.github/workflows/build.yml

@@ -12,7 +12,7 @@ jobs:
       matrix:
         # Use these Java versions
         java: [
-          17,    # Current Java LTS & minimum supported by Minecraft
+          21,    # Current Java LTS
         ]
         # and run on both Linux and Windows
         os: [ubuntu-22.04, windows-2022]

gradle.properties

@@ -3,14 +3,14 @@ org.gradle.jvmargs=-Xmx1G
 org.gradle.parallel=true
 
 # Fabric Properties;
-minecraft_version=1.20.6
+minecraft_version=1.21
-yarn_mappings=1.20.6+build.1
+yarn_mappings=1.21+build.2
-loader_version=0.15.10
+loader_version=0.15.11
 
 # Mod Properties
-mod_version = 1.0.1
+mod_version = 1.0.2
 maven_group = me.jonasjones
 archives_base_name = betterconsolemc
 
 # Dependencies
-fabric_version=0.97.8+1.20.6
+fabric_version=0.100.3+1.21