Change SignJar output to be marked Internal

Signed-off-by: SizableShrimp <[email protected]>

Author: SizableShrimp

src/common/java/net/minecraftforge/gradle/common/tasks/SignJar.java

@@ -17,7 +17,6 @@
 import org.gradle.api.tasks.InputFile;
 import org.gradle.api.tasks.Internal;
 import org.gradle.api.tasks.Optional;
-import org.gradle.api.tasks.OutputFile;
 import org.gradle.api.tasks.TaskAction;
 import org.gradle.api.tasks.util.PatternFilterable;
 import org.gradle.api.tasks.util.PatternSet;
@@ -26,6 +25,8 @@
 import com.google.common.io.ByteStreams;
 import groovy.lang.Closure;
 import groovy.util.MapEntry;
+import org.gradle.work.DisableCachingByDefault;
+
 import java.io.BufferedOutputStream;
 import java.io.File;
 import java.io.FileOutputStream;
@@ -40,6 +41,7 @@
 import java.util.zip.ZipFile;
 
 @NonNullApi
+@DisableCachingByDefault(because = "The output file is often the same as the input file and we have to work around Gradle 8 behavior by not marking the output file as an output")
 public abstract class SignJar extends DefaultTask implements PatternFilterable {
     private final PatternSet patternSet = new PatternSet();
     @TaskAction
@@ -147,7 +149,7 @@ private void writeOutputJar(File signedJar, File outputJar, Map<String, Entry<by
     @InputFile
     public abstract RegularFileProperty getInputFile();
 
-    @OutputFile
+    @Internal
     public abstract RegularFileProperty getOutputFile();
 
     @Input