Move XXE to A05 - Security Misconfiguration

src/main/java/org/owasp/webgoat/container/lessons/Category.java

@@ -60,7 +60,6 @@ public enum Category {
     this.ranking = ranking;
   }
 
-  /** {@inheritDoc} */
   @Override
   public String toString() {
     return getName();

src/main/java/org/owasp/webgoat/lessons/xxe/XXE.java

@@ -31,7 +31,7 @@ public class XXE extends Lesson {
 
   @Override
   public Category getDefaultCategory() {
-    return Category.A3;
+    return Category.A5;
   }
 
   @Override