Library generation failed (3b86441)

See [failed job](https://github.com/googleapis/google-cloudevents-java/actions/runs/17722830485)

Start with the failed job linked in the issue: https://github.com/googleapis/google-cloudevents-java/actions/runs/17722830485. Inspect its failure output to identify the library-generation entry point and affected files. Done means the generation job completes successfully and produces the expected library artifacts.

Rédigé par le modèle d'indexation à partir du texte de l'issue.