Bump Xunit.SkippableFact from 1.4.8 to 1.4.13

Bumps [Xunit.SkippableFact](https://github.com/AArnott/Xunit.SkippableFact) from 1.4.8 to 1.4.13.
- [Release notes](https://github.com/AArnott/Xunit.SkippableFact/releases)
- [Commits](https://github.com/AArnott/Xunit.SkippableFact/commits)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Directory.Build.targets

@@ -41,7 +41,7 @@
         <PackageReference Update="MediatR.Extensions.Microsoft.DependencyInjection" Version="8.0.0" />
         <PackageReference Update="Bogus" Version="29.0.1" />
         <PackageReference Update="Snapper" Version="2.2.4" />
-        <PackageReference Update="Xunit.SkippableFact" Version="1.4.8" />
+        <PackageReference Update="Xunit.SkippableFact" Version="1.4.13" />
         <PackageReference Update="System.IO.Pipelines" Version="4.7.1" />
         <PackageReference Update="Nerdbank.Streams" Version="2.4.60" />
         <PackageReference Update="CodeGeneration.Roslyn.Attributes" Version="0.7.63" PrivateAssets="all" />