Bump the dotnet-dependencies group with 2 updates

Bumps the dotnet-dependencies group with 2 updates: [xunit](https://github.com/xunit/xunit) and [xunit.runner.visualstudio](https://github.com/xunit/visualstudio.xunit).


Updates `xunit` from 2.7.0 to 2.7.1
- [Commits](xunit/xunit@2.7.0...2.7.1)

Updates `xunit.runner.visualstudio` from 2.5.7 to 2.5.8
- [Release notes](https://github.com/xunit/visualstudio.xunit/releases)
- [Commits](xunit/visualstudio.xunit@2.5.7...2.5.8)

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

Signed-off-by: dependabot[bot] <[email protected]>

CSharpRepl.Tests/CSharpRepl.Tests.csproj

@@ -19,8 +19,8 @@
     <PackageReference Include="PrettyPrompt" Version="4.1.1" />
     <PackageReference Include="Spectre.Console.Testing" Version="0.48.0" />
     <PackageReference Include="System.IO.Abstractions.TestingHelpers" Version="21.0.2" />
-    <PackageReference Include="xunit" Version="2.7.0" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.7">
+    <PackageReference Include="xunit" Version="2.7.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.8">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>