fix: Java compile level problem (#2)

build.gradle

@@ -54,6 +54,10 @@ allprojects {
     javadoc.options.encoding = 'UTF-8'
     javadoc.options.addStringOption('Xdoclint:none', '-quiet')
 
+    java {
+        disableAutoTargetJvm()
+    }
+
     repositories {
         mavenLocal()
         mavenCentral()
@@ -100,9 +104,9 @@ subprojects {
         archiveClassifier.set('')
     }
 
-    if (['example-plugin', 'fabric-1.20.6', 'paper'].contains(project.name)) {
-        compileJava.options.release.set 21
-    }
+    //if (['example-plugin', 'fabric-1.20.6', 'paper'].contains(project.name)) {
+    //    compileJava.options.release.set 21
+    //}
 
     // Don't include example plugin in publishing
     if (['example-plugin'].contains(project.name)) return;