Bump xunit from 2.6.4 to 2.6.5 (#422)

Bumps [xunit](https://github.com/xunit/xunit) from 2.6.4 to 2.6.5.
- [Commits](xunit/xunit@2.6.4...2.6.5)

---
updated-dependencies:
- dependency-name: xunit
  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

@@ -22,7 +22,7 @@
     <PropertyGroup>
         <LibraryFramework>netstandard2.0</LibraryFramework>
         <TestsNetCoreFramework>net6.0</TestsNetCoreFramework>
-        <XunitVersion>2.6.4</XunitVersion>
+        <XunitVersion>2.6.5</XunitVersion>
         <TestSdkVersion>17.8.0</TestSdkVersion>
         <CoverletVersion>6.0.0</CoverletVersion>
 	    <XunitRunneVisualstudio>2.5.6</XunitRunneVisualstudio>