Bump Microsoft.NET.Test.Sdk from 18.5.1 to 18.6.0 (#3092)

---
updated-dependencies:
- dependency-name: Microsoft.NET.Test.Sdk
  dependency-version: 18.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Directory.Packages.props

@@ -19,7 +19,7 @@
     <PackageVersion Include="Microsoft.Extensions.Logging.Console" Version="10.0.8" />
     <PackageVersion Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="10.0.8" />
     <PackageVersion Include="Microsoft.Extensions.TimeProvider.Testing" Version="10.4.0" />
-    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
+    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.6.0" />
     <PackageVersion Include="MinVer" Version="7.0.0" />
     <PackageVersion Include="Newtonsoft.Json" Version="13.0.4" />
     <PackageVersion Include="NSubstitute" Version="5.3.0" />