build(deps): Bump Uno.WinUI.Skia.Wpf from 4.5.12 to 4.6.18 (#671)

Bumps [Uno.WinUI.Skia.Wpf](https://github.com/unoplatform/uno) from 4.5.12 to 4.6.18.
- [Release notes](https://github.com/unoplatform/uno/releases)
- [Commits](https://github.com/unoplatform/uno/commits)

---
updated-dependencies:
- dependency-name: Uno.WinUI.Skia.Wpf
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Uno/ReactiveUI.UnoRouting/ReactiveUI.UnoRouting.Skia.Wpf/ReactiveUI.UnoRouting.Skia.Wpf.csproj

@@ -10,7 +10,7 @@
 		<PackageReference Include="ReactiveUI.Uno.WinUI" Version="18.1.2" />
 		<PackageReference Include="Microsoft.Extensions.Logging" Version="6.0.0" />
 		<PackageReference Include="Microsoft.Extensions.Logging.Console" Version="6.0.0" />
-		<PackageReference Include="Uno.WinUI.Skia.Wpf" Version="4.5.12" />
+		<PackageReference Include="Uno.WinUI.Skia.Wpf" Version="4.6.18" />
 		<PackageReference Include="Uno.WinUI.RemoteControl" Version="4.5.12" Condition="'$(Configuration)'=='Debug'" />
 		<PackageReference Include="Uno.UI.Adapter.Microsoft.Extensions.Logging" Version="4.5.12" />
 	</ItemGroup>