Sonarqube-roslyn-sdk deprecation

Hello @peterw . First of all, please accept my apologies for the late answer.

My colleague @duncanp gave an extensive reply here, I will quote it:

We use EditorConfig to configure StyleCopAnalyzers in our sonar-dotnet project, and we import SA issues in our SonarCloud project - so if you want to import results for third party analyzers, using editorconfig is the way to go.