Bump the xunit group with 1 update

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

- [Commits](xunit/xunit@2.5.3...2.6.0)

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

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

Directory.Packages.props

@@ -29,7 +29,7 @@
     <PackageVersion Include="StyleCop.Analyzers" Version="1.2.0-beta.507" />
     <PackageVersion Include="System.Text.Json" Version="8.0.0-rc.2.23479.6" />
     <PackageVersion Include="xRetry" Version="1.9.0" />
-    <PackageVersion Include="xunit" Version="2.5.3" />
+    <PackageVersion Include="xunit" Version="2.6.0" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="2.5.3" />
     <PackageVersion Include="Xunit.SkippableFact" Version="1.4.13" />
   </ItemGroup>