Bump Xunit.SkippableFact from 1.4.13 to 1.5.23 in the xunit group

Bumps the xunit group with 1 update: [Xunit.SkippableFact](https://github.com/AArnott/Xunit.SkippableFact).


Updates `Xunit.SkippableFact` from 1.4.13 to 1.5.23
- [Release notes](https://github.com/AArnott/Xunit.SkippableFact/releases)
- [Commits](AArnott/Xunit.SkippableFact@v1.4.13...v1.5.23)

---
updated-dependencies:
- dependency-name: Xunit.SkippableFact
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: xunit
...

Signed-off-by: dependabot[bot] <support@github.com>

Directory.Packages.props

@@ -20,7 +20,7 @@
     <PackageVersion Include="xunit" Version="2.9.2" />
     <PackageVersion Include="xRetry" Version="1.9.0" />
     <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" />
   </ItemGroup>
   <ItemGroup Condition=" '$(IsTestProject)' == 'true' ">
     <PackageReference Include="coverlet.msbuild" PrivateAssets="All" />