Bump xunit from 2.8.0 to 2.9.0

Bumps [xunit](https://github.com/xunit/xunit) from 2.8.0 to 2.9.0.
- [Commits](xunit/xunit@2.8.0...2.9.0)

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

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

Directory.Packages.props

@@ -22,7 +22,7 @@
         <PackageVersion Include="Meziantou.Analyzer" Version="2.0.150" />
         <!-- Specifications -->
         <PackageVersion Include="Cratis.Specifications.XUnit" Version="3.0.1" />
-        <PackageVersion Include="xunit" Version="2.8.0" />
+        <PackageVersion Include="xunit" Version="2.9.0" />
         <PackageVersion Include="xunit.runner.visualstudio" Version="2.8.0" />
         <PackageVersion Include="moq" Version="4.20.70" />
         <PackageVersion Include="Microsoft.NET.Test.SDK" Version="17.9.0" />