fix: sync setting for Java header check

Author: iennae

.github/header-checker-lint.yml

@@ -38,4 +38,5 @@ sourceFileExtensions:
   - 'yml'
 ignoreFiles:
   - '.github/auto-label.yaml'
-  - '.github/sync-repo-settings.yaml'
+  - '.github/sync-repo-settings.yaml'
+ignoreLicenseYear: true