Bump SixLabors.ImageSharp in /tests/VisNetwork.Blazor.UITests

Bumps [SixLabors.ImageSharp](https://github.com/SixLabors/ImageSharp) from 3.1.3 to 3.1.4.
- [Release notes](https://github.com/SixLabors/ImageSharp/releases)
- [Commits](SixLabors/ImageSharp@v3.1.3...v3.1.4)

---
updated-dependencies:
- dependency-name: SixLabors.ImageSharp
  dependency-type: direct:production
...

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

tests/VisNetwork.Blazor.UITests/VisNetwork.Blazor.UITests.csproj

@@ -39,7 +39,7 @@
 	</Target>-->
 
 	<ItemGroup>
-		<PackageReference Include="SixLabors.ImageSharp" Version="3.1.3" />
+		<PackageReference Include="SixLabors.ImageSharp" Version="3.1.4" />
 		<PackageReference Include="FluentAssertions" Version="6.12.0" />
 		<PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.Server" Version="8.0.2" />
 		<PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="8.0.2" />