Bump xunit from 2.5.0 to 2.5.1 (#62)

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]

src/Directory.Build.props

@@ -16,7 +16,7 @@
     <LibraryFramework>netstandard2.1</LibraryFramework>
     <TestsNet>net6.0</TestsNet>
     <TestsNetCore>netcoreapp3.1</TestsNetCore>
-    <XunitVersion>2.5.0</XunitVersion>
+    <XunitVersion>2.5.1</XunitVersion>
     <XunitRunnerVisualstudio>2.5.1</XunitRunnerVisualstudio>
     <TestSdkVersion>17.7.2</TestSdkVersion>