Update to 1.21

gradle.properties

@@ -17,7 +17,7 @@
 
 org.gradle.jvmargs=-Xmx2048M
 
-minecraft_version = 1.20.6
+minecraft_version = 1.21
 enabled_platforms = fabric,forge
 
 java_version = 21
@@ -28,7 +28,7 @@ maven_group = io.github.moremcmeta
 
 # MoreMcmeta version to use for development. If you are not developing a
 # default plugin, use a stable release version instead.
-moremcmeta_version = 1.20.6-4.x-1.20-SNAPSHOT
+moremcmeta_version = 1.21-4.x-1.21-SNAPSHOT
 
 # Minimum MoreMcmeta version that users can install. This should be at
 # least 4.0.0 for the corresponding Minecraft version if this plugin is
@@ -37,7 +37,7 @@ moremcmeta_min_version = *
 
 # Fabric loader and API versions to use for development
 fabric_loader_version = 0.15.11
-fabric_api_version = 0.97.8+1.20.6
+fabric_api_version = 0.100.4+1.21
 
 # Forge version to use for development
-forge_version = 1.20.6-50.0.8
+forge_version = 1.21-51.0.18