Bump xunit.runner.visualstudio from 2.5.7 to 2.5.8 in /src

Bumps [xunit.runner.visualstudio](https://github.com/xunit/visualstudio.xunit) from 2.5.7 to 2.5.8.
- [Release notes](https://github.com/xunit/visualstudio.xunit/releases)
- [Commits](xunit/visualstudio.xunit@2.5.7...2.5.8)

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

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

src/Directory.Packages.props

@@ -16,6 +16,6 @@
     <PackageVersion Include="Verify.SourceGenerators" Version="2.2.0" />
     <PackageVersion Include="Verify.Xunit" Version="23.5.2" />
     <PackageVersion Include="xunit" Version="2.7.0" />
-    <PackageVersion Include="xunit.runner.visualstudio" Version="2.5.7" />
+    <PackageVersion Include="xunit.runner.visualstudio" Version="2.5.8" />
   </ItemGroup>
 </Project>