chore(deps): bump System.Security.Cryptography.Xml from 5.0.0 to 6.0.0

Bumps [System.Security.Cryptography.Xml](https://github.com/dotnet/runtime) from 5.0.0 to 6.0.0.
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v5.0.0...v6.0.0)

---
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

@@ -23,7 +23,7 @@
     <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="5.0.0" />
+    <PackageReference Include="System.Security.Cryptography.Xml" Version="6.0.0" />
     <PackageReference Include="Uno.UI.Skia.Gtk" Version="4.0.9" />
     <PackageReference Include="Uno.UI.RemoteControl" Version="4.0.9" Condition="'$(Configuration)'=='Debug'" />
     <PackageReference Include="Uno.Microsoft.Toolkit.Uwp.UI.Controls" Version="7.1.10-gf3d2516805" />