Index v7: Chromium 0.3.1, Firefox ESR 0.1.0, SSH 0.1.0 and File Viewer 0.2.0 - #4

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/