The v4 actions target Node.js 20, which GitHub now force-runs on Node 24
and flags as deprecated. Bump all four across every workflow to v5 (their
native Node-24 line) to clear the warning. Mechanical version-only change;
upload/download-artifact stay on matching majors as required.
Co-Authored-By: Claude Opus 4.8 <[email protected]>
Claude-Session: https://claude.ai/code/session_01DwbE3uTiFaKRNjx5vP2muV
thePR0M3TH3AN
