* SonarCloud test
* xxx
* WebSocketIntegrationTests
* move sonar to github
* SonarCloud now runs for every Linux workflow event. The begin step supplies pull-request key/branch/base metadata for PRs and branch metadata for pushes; the end step is no longer gated. Workflow YAML parsing and the solution build both pass.
* SHA
Since the root certificate of client_cert.pfx is obviously not trusted automatically by cloning this repo, the tests in WireMockServerTests.ClientCertificate.cs set WireMockServerSettings.AcceptAnyClientCertificate to true so that tests pass even if the device hasn't trusted the root of client_cert.pfx.