v1.13.0-beta.4

Since v1.13.0-beta.3:

• Compress extensions to reduce app size by about 7MB (downloads aren't smaller but the installed size on disk will be)
• Various security hardening
• Various extension updates
• Various packager fixes
• Linux: fix file pickers not using portals in 1.13.0-beta.3

Most common download links:

• Windows 10 and later: https://github.com/TurboWarp/desktop/releases/download/v1.13.0-beta.4/TurboWarp-Setup-1.13.0-beta.4-x64.exe
• macOS 10.15 and later: https://github.com/TurboWarp/desktop/releases/download/v1.13.0-beta.4/TurboWarp-Setup-1.13.0-beta.4.dmg