fix copyright

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

Author: aserkes

archetype/engine-v1/src/main/java/io/helidon/build/archetype/engine/v1/FlowNodeControllers.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020, 2021 Oracle and/or its affiliates.
+ * Copyright (c) 2020, 2023 Oracle and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -67,7 +67,7 @@ Map<String, String> properties() {
             return properties;
         }
 
-        public Map<String, String> userInputs() {
+        Map<String, String> userInputs() {
             return userInputs;
         }