Nightly builds are failing due to copyright header update

[mpeddada1]

The nightly builds are currently failing with the following error:

Error:  Failures: 
Error:    ComposerTest.gapicClass_addApacheLicense_validInput_succeeds:81 Differences found: 
--- golden
+++ codegen
@@ -1,4 +1,4 @@
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2025 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");

Example: #3486

Nightly Failures: #3511