build: update year in copyright statement

Signed-off-by: Phil Adams <[email protected]>

Author: padamstx

packages/validator/src/cli-validator/utils/get-copyright-string.js

@@ -1,10 +1,10 @@
 /**
- * Copyright 2017 - 2023 IBM Corporation.
+ * Copyright 2017 - 2025 IBM Corporation.
  * SPDX-License-Identifier: Apache2.0
  */
 
 const getVersionString = require('./get-version-string');
 
 module.exports = function () {
-  return `IBM OpenAPI Validator (${getVersionString()}), @Copyright IBM Corporation 2017, 2024.`;
+  return `IBM OpenAPI Validator (${getVersionString()}), @Copyright IBM Corporation 2017, 2025.`;
 };