build(deps): bump xunit from 2.5.0 to 2.5.1 (#9214)

Bumps [xunit](https://github.com/xunit/xunit) from 2.5.0 to 2.5.1.
- [Commits](xunit/xunit@2.5.0...2.5.1)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Directory.Packages.props

@@ -45,6 +45,6 @@
     <PackageVersion Include="Verify.DiffPlex" Version="2.2.1" />
     <PackageVersion Include="Verify.Xunit" Version="21.1.3" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="2.5.1" />
-    <PackageVersion Include="xunit" Version="2.5.0" />
+    <PackageVersion Include="xunit" Version="2.5.1" />
   </ItemGroup>
 </Project>