Summary by CodeRabbit

• New Features

  • Added update channel selection (Stable, Prerelease, Artifacts).
  • Users can now subscribe to and install pull request build artifacts.
  • GitHub Personal Access Token management for accessing test builds.

• UI/UX Improvements

  • Redesigned update notification window with improved dark theme.
  • Settings now include comprehensive update and artifact management options.
  • Enhanced update status display and PR subscription controls.

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