Update dependency Xunit.Combinatorial to v2

Author: renovate[bot]

Directory.Packages.props

@@ -38,7 +38,7 @@
     <PackageVersion Include="System.Text.Json" Version="8.0.5" />
     <PackageVersion Include="System.Threading.Tasks.Dataflow" Version="9.0.2" />
     <PackageVersion Include="Validation" Version="2.6.68" />
-    <PackageVersion Include="Xunit.Combinatorial" Version="1.6.24" />
+    <PackageVersion Include="Xunit.Combinatorial" Version="2.0.24" />
     <PackageVersion Include="Xunit.SkippableFact" Version="1.5.23" />
   </ItemGroup>
   <ItemGroup Label="Library.Template">