chore(deps): update dependency microsoft.net.test.sdk to 17.11.1 (#385)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

src/Directory.build.props

@@ -32,7 +32,7 @@
 
 	<ItemGroup Condition="'$(IsTestProject)' == 'true'">
 		<PackageReference Include="ReactiveUI.Testing" Version="19.*" />
-		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
+		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
 		<PackageReference Include="xunit" Version="2.9.0" />
 		<PackageReference Include="xunit.runner.console" Version="2.9.0" />
 		<PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />