build(deps): bump xunit from 2.8.1 to 2.9.0

Bumps xunit from 2.8.1 to 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

@@ -40,7 +40,7 @@
     <PackageVersion Include="SpecFlow.Plus.LivingDocPlugin" Version="3.9.57" />
     <PackageVersion Include="SpecFlow.xUnit" Version="3.9.74" />
     <PackageVersion Include="WinUIEx" Version="2.3.4" />
-    <PackageVersion Include="xunit" Version="2.8.1" />
+    <PackageVersion Include="xunit" Version="2.9.0" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="2.8.1" />
   </ItemGroup>
 </Project>