Light a HUB75 panel's last row as long as every other - #211

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, astral-sh/setup-uv@v3. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Generated on your machine: the merge regenerates it on ours, so leave it out of the pull request unless you mean to change it.