Bump xunit from 2.9.0 to 2.9.1 in the xunit group (#2307)

* Bump xunit from 2.9.0 to 2.9.1 in the xunit group

Bumps the xunit group with 1 update: [xunit](https://github.com/xunit/xunit).


Updates `xunit` from 2.9.0 to 2.9.1
- [Commits](xunit/xunit@2.9.0...2.9.1)

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

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

* Fix test

Use `OfType<T>()` instead of the previous approach as it appears that it's no longer an `IEnumerable<T[]>`.

* Fix test properly

Went the wrong way.

---------

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

Directory.Packages.props

@@ -43,7 +43,7 @@
     <PackageVersion Include="System.Threading.RateLimiting" Version="$(MicrosoftExtensionsVersion)" />
     <PackageVersion Include="System.Threading.Tasks.Extensions" Version="4.5.4" />
     <PackageVersion Include="System.ValueTuple" Version="4.5.0" />
-    <PackageVersion Include="xunit" Version="2.9.0" />
+    <PackageVersion Include="xunit" Version="2.9.1" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="2.8.2" />
   </ItemGroup>
 </Project>

test/Polly.RateLimiting.Tests/RateLimiterResiliencePipelineBuilderExtensionsTests.cs

@@ -70,7 +70,7 @@ public void AddConcurrencyLimiter_InvalidOptions_Throws() =>
     [Fact]
     public void AddRateLimiter_AllExtensions_Ok()
     {
-        foreach (var configure in Data.Select(v => v[0]).Cast<Action<ResiliencePipelineBuilder>>())
+        foreach (var configure in Data)
         {
             var builder = new ResiliencePipelineBuilder();