chore(deps): update xunit-dotnet monorepo (#89)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [xunit](https://togithub.com/xunit/xunit) | `2.6.6` -> `2.7.0` |
[![age](https://developer.mend.io/api/mc/badges/age/nuget/xunit/2.7.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/nuget/xunit/2.7.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/nuget/xunit/2.6.6/2.7.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/nuget/xunit/2.6.6/2.7.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
|
[xunit.runner.visualstudio](https://togithub.com/xunit/visualstudio.xunit)
| `2.5.6` -> `2.5.7` |
[![age](https://developer.mend.io/api/mc/badges/age/nuget/xunit.runner.visualstudio/2.5.7?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/nuget/xunit.runner.visualstudio/2.5.7?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
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|
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|

---

### Release Notes

<details>
<summary>xunit/xunit (xunit)</summary>

### [`v2.7.0`](https://togithub.com/xunit/xunit/compare/2.6.6...2.7.0)

[Compare Source](https://togithub.com/xunit/xunit/compare/2.6.6...2.7.0)

</details>

<details>
<summary>xunit/visualstudio.xunit (xunit.runner.visualstudio)</summary>

###
[`v2.5.7`](https://togithub.com/xunit/visualstudio.xunit/compare/2.5.6...2.5.7)

[Compare
Source](https://togithub.com/xunit/visualstudio.xunit/compare/2.5.6...2.5.7)

</details>

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Directory.Packages.props

@@ -24,8 +24,8 @@
 		<PackageVersion Include="AutoFixture.Xunit2" Version="4.18.1" />
 		<PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
 		<PackageVersion Include="Xunit.SkippableFact" Version="1.4.13" />
-		<PackageVersion Include="xunit" Version="2.6.6" />
-		<PackageVersion Include="xunit.runner.visualstudio" Version="2.5.6" />
+		<PackageVersion Include="xunit" Version="2.7.0" />
+		<PackageVersion Include="xunit.runner.visualstudio" Version="2.5.7" />
 		<PackageVersion Include="coverlet.collector" Version="6.0.0" />
 	</ItemGroup>