Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, korthout/backport-action@436145e922f9561fc5ea157ff406f21af2d6b363, step-security/harden-runner@a90bcbc6539c36a85cdfeb73f7e2f433735f215b. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/