Update xunit-dotnet monorepo

Author: renovate[bot]

Directory.Packages.props

@@ -7,8 +7,8 @@
 
     <ItemGroup>
         <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
-        <PackageVersion Include="xunit" Version="2.9.2" />
-        <PackageVersion Include="xunit.runner.visualstudio" Version="3.0.0" />
+        <PackageVersion Include="xunit" Version="2.9.3" />
+        <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.5" />
         <PackageVersion Include="Xunit.SkippableFact" Version="1.5.23" />
         <PackageVersion Include="coverlet.collector" Version="6.0.2" />