Update xunit

Author: linkdotnet

tests/Directory.Build.props

@@ -7,7 +7,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.2.0-preview-20220401-08" />
     <PackageReference Include="Moq" Version="4.17.2" />
     <PackageReference Include="xunit" Version="2.4.2-pre.12" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.4">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>