Bump Avalonia and Avalonia.Desktop

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

Updates `Avalonia` from 11.2.3 to 11.2.4
- [Release notes](https://github.com/AvaloniaUI/Avalonia/releases)
- [Commits](AvaloniaUI/Avalonia@11.2.3...11.2.4)

Updates `Avalonia.Desktop` from 11.2.1 to 11.2.4
- [Release notes](https://github.com/AvaloniaUI/Avalonia/releases)
- [Commits](AvaloniaUI/Avalonia@11.2.1...11.2.4)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

ImageMerge/ImageMerge.csproj

@@ -10,8 +10,8 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Avalonia" Version="11.2.3"/>
-        <PackageReference Include="Avalonia.Desktop" Version="11.2.1"/>
+        <PackageReference Include="Avalonia" Version="11.2.4"/>
+        <PackageReference Include="Avalonia.Desktop" Version="11.2.4"/>
         <PackageReference Include="Avalonia.Themes.Fluent" Version="11.2.3"/>
         <PackageReference Include="Avalonia.Fonts.Inter" Version="11.2.0"/>
         <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->