Update dependency Xunit.SkippableFact to 1.5.23 (#13134)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Directory.Packages.props

@@ -85,7 +85,7 @@
     <PackageVersion Include="UTF.Unknown" Version="2.5.1" />
     <PackageVersion Include="Xunit.Priority" Version="1.1.6" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="2.8.2" />
-    <PackageVersion Include="Xunit.SkippableFact" Version="1.4.13" />
+    <PackageVersion Include="Xunit.SkippableFact" Version="1.5.23" />
     <PackageVersion Include="xunit" Version="2.9.2" />
   </ItemGroup>
 </Project>