Bump Avalonia.Desktop and Avalonia

Bumps [Avalonia.Desktop](https://github.com/AvaloniaUI/Avalonia) and [Avalonia](https://github.com/AvaloniaUI/Avalonia). These dependencies needed to be updated together.

Updates `Avalonia.Desktop` from 11.0.5 to 11.0.6
- [Release notes](https://github.com/AvaloniaUI/Avalonia/releases)
- [Commits](AvaloniaUI/Avalonia@11.0.5...11.0.6)

Updates `Avalonia` from 11.0.5 to 11.0.6
- [Release notes](https://github.com/AvaloniaUI/Avalonia/releases)
- [Commits](AvaloniaUI/Avalonia@11.0.5...11.0.6)

---
updated-dependencies:
- dependency-name: Avalonia.Desktop
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: Avalonia
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Taskington.Gui/Taskington.Gui.csproj

@@ -31,8 +31,8 @@
 		<Content Include="Assets\AppIcon.ico" />
 	</ItemGroup>
 	<ItemGroup>
-		<PackageReference Include="Avalonia" Version="11.0.5" />
-		<PackageReference Include="Avalonia.Desktop" Version="11.0.5" />
+		<PackageReference Include="Avalonia" Version="11.0.6" />
+		<PackageReference Include="Avalonia.Desktop" Version="11.0.6" />
 		<PackageReference Include="Avalonia.Diagnostics" Version="11.0.5" />
 		<PackageReference Include="Avalonia.ReactiveUI" Version="11.0.5" />
 		<PackageReference Include="Avalonia.Themes.Fluent" Version="11.0.5" />