Update license year

Natallia Harshunova · Natallia Harshunova · commit f94c6aa8eaac · 2026-01-16T11:21:52.000Z
diff --git a/tests/tools/extensions.test.ts b/tests/tools/extensions.test.ts
@@ -1,6 +1,6 @@
 /**
  * @license
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
