chore(deps): update dependency xunit to 2.9.3

Author: renovate-bot

workflows/api/Workflow.Samples.Test/Workflow.Samples.Test.csproj

@@ -11,7 +11,7 @@
     <PackageReference Include="coverlet.collector" Version="6.0.4" />
     <PackageReference Include="JUnitXml.TestLogger" Version="6.1.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
-    <PackageReference Include="xunit" Version="2.9.2" />
+    <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
   </ItemGroup>