Attach Default Error Handler to All Active Workflows

This workflow is designed for users of n8n who want to ensure that all active workflows have a default error handler attached. By utilizing this automation, users can significantly enhance the reliability and robustness of their workflows. The workflow leverages n8n's built-in nodes to trigger an error event, retrieve the current workflow settings, and update them to include a standard error handling process. This ensures that, in the event of a failure, users are promptly notified via Gmail, al