Bump xunit from 2.7.1 to 2.8.0

Bumps [xunit](https://github.com/xunit/xunit) from 2.7.1 to 2.8.0.
- [Commits](xunit/xunit@2.7.1...2.8.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

WebDriverManager.Tests/WebDriverManager.Tests.csproj

@@ -11,7 +11,7 @@
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
         <PackageReference Include="xunit.runner.visualstudio" Version="2.5.8" />
         <PackageReference Include="Selenium.WebDriver" Version="4.20.0" />
-        <PackageReference Include="xunit" Version="2.7.1" />
+        <PackageReference Include="xunit" Version="2.8.0" />
     </ItemGroup>
 
     <ItemGroup>