refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -14,12 +14,12 @@
     <PackageVersion Include="Avalonia.Headless.XUnit" Version="11.3.12" />
     <PackageVersion Include="Avalonia.Skia" Version="11.3.12" />
     <PackageVersion Include="Avalonia.Themes.Fluent" Version="11.3.12" />
-    <PackageVersion Include="CommunityToolkit.Mvvm" Version="8.4.0" />
+    <PackageVersion Include="CommunityToolkit.Mvvm" Version="8.4.1" />
     <PackageVersion Include="FluentAvaloniaUI" Version="2.5.0" />
     <PackageVersion Include="MarkdownSnippets.MsBuild" Version="28.0.1" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
     <PackageVersion Include="NUnit" Version="4.5.1" />
-    <PackageVersion Include="NUnit3TestAdapter" Version="6.1.0" />
+    <PackageVersion Include="NUnit3TestAdapter" Version="6.2.0" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.172" />
     <PackageVersion Include="Verify" Version="31.13.5" />
     <PackageVersion Include="Verify.CommunityToolkit.Mvvm" Version="1.1.0" />