[2026.10.7] mp: an SSI abort while dirtying a page is not an error to report - #270

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Unchanged (0x841f4ea8) -- existing environments still attach.