TESTING: Accept the documented xGEES reordering exit codes N+1 and N+2 - #1355

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab, actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02, seanmiddleditch/gha-setup-ninja@16b940825621068d98711680b6c3ff92201f8fc0. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/