Bump xunit.runner.visualstudio from 2.4.5 to 2.5.7

Bumps [xunit.runner.visualstudio](https://github.com/xunit/visualstudio.xunit) from 2.4.5 to 2.5.7.
- [Release notes](https://github.com/xunit/visualstudio.xunit/releases)
- [Commits](xunit/visualstudio.xunit@v2.4.5...2.5.7)

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

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

Directory.Build.targets

@@ -7,7 +7,7 @@
     <PackageReference Update="Microsoft.NET.Test.Sdk" Version="17.5.0" />
     <PackageReference Update="Moq" Version="4.18.4" />
     <PackageReference Update="xunit" Version="2.4.2" />
-    <PackageReference Update="xunit.runner.visualstudio" Version="2.4.5" />
+    <PackageReference Update="xunit.runner.visualstudio" Version="2.5.7" />
     <PackageReference Update="xunit.extensibility.execution" Version="2.4.2" />
     <DotNetCliToolReference Update="dotnet-xunit" Version="2.3.1" />