fix: Make it build again

worldedit-bukkit/src/test/java/com/fastasyncworldedit/util/StubServer.java

@@ -608,6 +608,11 @@ public class StubServer implements Server {
         return null;
     }
 
+    @Override
+    public @NotNull CommandSender createCommandSender(@NotNull final Consumer<? super Component> feedback) {
+        return null;
+    }
+
     @Override
     public @NotNull
     File getWorldContainer() {