Bump the avaloniaui group with 2 updates (#129)

Bumps the avaloniaui group with 2 updates: [Avalonia](https://github.com/AvaloniaUI/Avalonia) and [Avalonia.Headless.XUnit](https://github.com/AvaloniaUI/Avalonia).


Updates `Avalonia` from 11.0.7 to 11.0.9
- [Release notes](https://github.com/AvaloniaUI/Avalonia/releases)
- [Commits](AvaloniaUI/Avalonia@11.0.7...11.0.9)

Updates `Avalonia.Headless.XUnit` from 11.0.7 to 11.0.9
- [Release notes](https://github.com/AvaloniaUI/Avalonia/releases)
- [Commits](AvaloniaUI/Avalonia@11.0.7...11.0.9)

---
updated-dependencies:
- dependency-name: Avalonia
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: avaloniaui
- dependency-name: Avalonia.Headless.XUnit
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: avaloniaui
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

test/Kinetic.Avalonia.Tests/Kinetic.Avalonia.Tests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <ItemGroup>
     <ProjectReference Include="..\..\src\Kinetic.Avalonia\Kinetic.Avalonia.csproj" />
-    <PackageReference Include="Avalonia.Headless.XUnit" Version="11.0.7" />
+    <PackageReference Include="Avalonia.Headless.XUnit" Version="11.0.9" />
     <PackageReference Include="Avalonia.Themes.Simple" Version="11.0.9" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
     <PackageReference Include="xunit" Version="2.4.2" />