Bump xunit.runner.visualstudio from 2.5.7 to 2.5.8 (#445)

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] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

src/Directory.Build.props

@@ -25,7 +25,7 @@
         <XunitVersion>2.7.0</XunitVersion>
         <TestSdkVersion>17.9.0</TestSdkVersion>
         <CoverletVersion>6.0.2</CoverletVersion>
-	    <XunitRunneVisualstudio>2.5.7</XunitRunneVisualstudio>
+	    <XunitRunneVisualstudio>2.5.8</XunitRunneVisualstudio>
         <AkkaVersion>1.5.18</AkkaVersion>
         <MicrosoftExtensionsVersion>[6.0.0,)</MicrosoftExtensionsVersion>
     </PropertyGroup>