update minecraft to 1.21

build.gradle

@@ -2,9 +2,6 @@ plugins {
 	id 'fabric-loom' version '1.7-SNAPSHOT'
 }
 
-sourceCompatibility = JavaVersion.VERSION_17
-targetCompatibility = JavaVersion.VERSION_17
-
 archivesBaseName = project.archives_base_name
 version = "${project.mod_version}+${project.minecraft_version}"
 group = project.maven_group
@@ -30,7 +27,7 @@ processResources {
 tasks.withType(JavaCompile).configureEach {
 	it.options.encoding = "UTF-8"
 
-	it.options.release.set(17)
+	it.options.release.set(21)
 }
 
 java {

gradle.properties

@@ -4,8 +4,8 @@ org.gradle.parallel=true
 
 # Fabric Properties
 # check these on https://fabricmc.net/versions.html
-minecraft_version=1.20.5
-yarn_mappings=1.20.5+build.1
+minecraft_version=1.21
+yarn_mappings=1.21+build.2
 loader_version=0.15.11
 
 # Mod Properties