Bump Microsoft.NET.Test.Sdk from 17.5.0 to 17.6.0 (#727)

Bumps [Microsoft.NET.Test.Sdk](https://github.com/microsoft/vstest) from 17.5.0 to 17.6.0.
- [Release notes](https://github.com/microsoft/vstest/releases)
- [Changelog](https://github.com/microsoft/vstest/blob/main/docs/releases.md)
- [Commits](microsoft/vstest@v17.5.0...v17.6.0)

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

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

Directory.Packages.props

@@ -59,7 +59,7 @@
     <PackageVersion Include="Microsoft.IdentityModel.Tokens" Version="$(IdentityModelTokenPackageVersion)" />
     <PackageVersion Include="Microsoft.IO.RecyclableMemoryStream" Version="2.3.2" />
     <PackageVersion Include="Microsoft.NET.Sdk.Functions" Version="4.2.0" />
-    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
+    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.6.0" />
     <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="1.1.1" />
     <PackageVersion Include="Microsoft.SqlServer.DacFx" Version="162.0.52" />
     <PackageVersion Include="Microsoft.SqlServer.SqlManagementObjects" Version="170.13.0" />