Update to Opal 6.0.0

Author: smeyer198

pom.xml

@@ -75,7 +75,7 @@
 
         <soot.version>4.6.0</soot.version>
         <sootup.version>2.0.0</sootup.version>
-        <opal.version>5.0.0</opal.version>
+        <opal.version>6.0.0</opal.version>
         <junit.version>5.13.4</junit.version>
         <guava.version>33.5.0-jre</guava.version>
         <jspecify.version>1.0.0</jspecify.version>

testCore/src/main/java/test/setup/OpalTestSetup.java

@@ -42,7 +42,7 @@
 import org.opalj.br.JVMMethod;
 import org.opalj.br.LongType$;
 import org.opalj.br.MethodDescriptor$;
-import org.opalj.br.ObjectType;
+import org.opalj.br.ClassType;
 import org.opalj.br.ReturnType;
 import org.opalj.br.ShortType$;
 import org.opalj.br.Type;
@@ -89,7 +89,7 @@ public void initialize(
 
     // Load the class that contains the test method
     Option<ClassFile> testClass =
-        project.classFile(ObjectType.apply(methodWrapper.getDeclaringClass().replace(".", "/")));
+        project.classFile(ClassType.apply(methodWrapper.getDeclaringClass().replace(".", "/")));
     if (testClass.isEmpty()) {
       throw new RuntimeException("Could not find class " + methodWrapper.getDeclaringClass());
     }