chore(deps): Bump System.Security.Cryptography.Xml from 6.0.1 to 8.0.0

Bumps [System.Security.Cryptography.Xml](https://github.com/dotnet/runtime) from 6.0.1 to 8.0.0.
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v6.0.1...v8.0.0)

---
updated-dependencies:
- dependency-name: System.Security.Cryptography.Xml
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Uno/NuGetPackageExplorer.Skia.Gtk/NuGetPackageExplorer.Skia.Gtk.csproj

@@ -22,7 +22,7 @@
     <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="6.0.0" />
     <PackageReference Include="Microsoft.Extensions.Logging.Filter" Version="1.1.2" />
     <PackageReference Include="System.Reactive" Version="5.0.0" />
-    <PackageReference Include="System.Security.Cryptography.Xml" Version="6.0.1" />
+    <PackageReference Include="System.Security.Cryptography.Xml" Version="8.0.0" />
     <PackageReference Include="Uno.WinUI.Skia.Gtk" Version="5.1.104" />
     <PackageReference Include="Uno.WinUI.RemoteControl" Version="5.1.104" Condition="'$(Configuration)'=='Debug'" />
     <PackageReference Include="Uno.CommunityToolkit.WinUI.UI.Controls" Version="7.1.200-dev.16.g49756d9ac4" />