IntroductionWe are actively investigating a critical security incident involving the tj-actions/changed-files GitHub Action. While our investigation is ongoing, we want to alert users so they can take immediate corrective actions. We will keep this post updated as we learn more. StepSecurity Harden-Runner detected this issue through anomaly detection when an unexpected endpoint appeared in the network traffic. If you need any help investigating this issue, please contact us at support@stepsecuri...