Release v1.2.0

Full Changelog: v1.1.0...v1.2.0

Release v1.1.0

chore: Update version number to 1.1.0 in manifest and UI components

- Incremented the version number in app.manifest, MainWindow.xaml, and SettingsPage.xaml to reflect the new release version.
- Updated displayed version text in the UI to maintain consistency across the application.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Signed-off-by: NotHarshhaa <reddyharshhaa12@gmail.com>

Release v1.0.0

feat: Add GitHub Actions workflow for automated build and release

- Introduced a new workflow to build and release the DevOpsToolsInstaller application upon tag pushes and manual triggers.
- Configured jobs to run on Windows with support for both x64 and arm64 architectures.
- Steps include code checkout, .NET SDK setup, NuGet package restoration, testing, and publishing a single-file executable.
- Implemented dynamic renaming of the executable and uploading of release assets to GitHub.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Signed-off-by: NotHarshhaa <reddyharshhaa12@gmail.com>