nuget: bump the nunit group across 1 directory with 2 updates

Bumps the nunit group with 2 updates in the / directory: [NUnit](https://github.com/nunit/nunit) and [NUnit3TestAdapter](https://github.com/nunit/nunit3-vs-adapter).


Updates `NUnit` from 3.13.3 to 4.3.2
- [Release notes](https://github.com/nunit/nunit/releases)
- [Changelog](https://github.com/nunit/nunit/blob/main/CHANGES.md)
- [Commits](https://github.com/nunit/nunit/compare/v3.13.3...4.3.2)

Updates `NUnit3TestAdapter` from 4.1.0 to 4.6.0
- [Release notes](https://github.com/nunit/nunit3-vs-adapter/releases)
- [Commits](https://github.com/nunit/nunit3-vs-adapter/compare/V4.1.0...V4.6.0)

---
updated-dependencies:
- dependency-name: NUnit
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: nunit
- dependency-name: NUnit3TestAdapter
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: nunit
...

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

Directory.Packages.props

@@ -3,18 +3,18 @@
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
   </PropertyGroup>
   <ItemGroup>
-    <PackageVersion Include="Avalonia" Version="11.2.3" />
-    <PackageVersion Include="Avalonia.Controls.DataGrid" Version="11.2.3" />
-    <PackageVersion Include="Avalonia.Desktop" Version="11.2.3" />
-    <PackageVersion Include="Avalonia.Diagnostics" Version="11.2.3" />
-    <PackageVersion Include="Avalonia.Markup.Xaml.Loader" Version="11.2.3" />
-    <PackageVersion Include="Avalonia.Svg" Version="11.2.0.2" />
-    <PackageVersion Include="Avalonia.Svg.Skia" Version="11.2.0.2" />
+    <PackageVersion Include="Avalonia" Version="11.1.4" />
+    <PackageVersion Include="Avalonia.Controls.DataGrid" Version="11.1.4" />
+    <PackageVersion Include="Avalonia.Desktop" Version="11.1.4" />
+    <PackageVersion Include="Avalonia.Diagnostics" Version="11.1.4" />
+    <PackageVersion Include="Avalonia.Markup.Xaml.Loader" Version="11.1.4" />
+    <PackageVersion Include="Avalonia.Svg" Version="11.1.0.1" />
+    <PackageVersion Include="Avalonia.Svg.Skia" Version="11.1.0.1" />
     <PackageVersion Include="CommandLineParser" Version="2.9.1" />
     <PackageVersion Include="Concentus" Version="2.2.0" />
     <PackageVersion Include="DiscordRichPresence" Version="1.2.1.24" />
     <PackageVersion Include="DynamicData" Version="9.0.4" />
-    <PackageVersion Include="FluentAvaloniaUI" Version="2.2.0" />
+    <PackageVersion Include="FluentAvaloniaUI" Version="2.1.0" />
     <PackageVersion Include="GtkSharp.Dependencies" Version="1.1.1" />
     <PackageVersion Include="GtkSharp.Dependencies.osx" Version="0.0.5" />
     <PackageVersion Include="LibHac" Version="0.19.0" />
@@ -25,8 +25,8 @@
     <PackageVersion Include="Microsoft.IO.RecyclableMemoryStream" Version="3.0.1" />
     <PackageVersion Include="MsgPack.Cli" Version="1.0.1" />
     <PackageVersion Include="NetCoreServer" Version="8.0.7" />
-    <PackageVersion Include="NUnit" Version="3.13.3" />
-    <PackageVersion Include="NUnit3TestAdapter" Version="4.1.0" />
+    <PackageVersion Include="NUnit" Version="4.3.2" />
+    <PackageVersion Include="NUnit3TestAdapter" Version="4.6.0" />
     <PackageVersion Include="OpenTK.Core" Version="4.8.2" />
     <PackageVersion Include="OpenTK.Graphics" Version="4.8.2" />
     <PackageVersion Include="OpenTK.Audio.OpenAL" Version="4.8.2" />
@@ -42,7 +42,7 @@
     <PackageVersion Include="Silk.NET.Vulkan" Version="2.21.0" />
     <PackageVersion Include="Silk.NET.Vulkan.Extensions.EXT" Version="2.21.0" />
     <PackageVersion Include="Silk.NET.Vulkan.Extensions.KHR" Version="2.21.0" />
-    <PackageVersion Include="SkiaSharp" Version="2.88.9" />
+    <PackageVersion Include="SkiaSharp" Version="2.88.8" />
     <PackageVersion Include="SkiaSharp.NativeAssets.Linux" Version="2.88.7" />
     <PackageVersion Include="SPB" Version="0.0.4-build32" />
     <PackageVersion Include="System.IO.Hashing" Version="8.0.0" />