Update dependency xunit to 2.9.3

Author: renovate[bot]

src/UnitTests/UnitTests.csproj

@@ -24,7 +24,7 @@
     <PackageReference Include="FluentAssertions" Version="7.0.0" />
     <PackageReference Include="Moq" Version="4.20.71" />
     <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="3.0.0" />
   </ItemGroup>