Analyzers/BuildCheck stabilization for NET 9.0

[JanKrivanek]

Context

MSBuild analyzers are going to be shipped as opt-in preview feature in NET 9. Since we are in late stage of NET 9 cycle, we should now shift focus from feature development to stabilization - testing, dogfooding and bugfixing.

Objectives

• Dogfooding
  • https://github.com/orgs/dotnet/projects/373?pane=issue&itemId=59805840
  • Prepare test script and crowdsource team and vendors for testing
• Bugfixing
  • Pri 1
    • [Bug]: BuildCheck: Internal error thrown when reporting results #10176
    • [Bug][BuildCheck]: Build succeedes with MSBUILDNOINPROCNODE enabled  #10071
    • [Bug]: CustomAnalyzerTest tests fail on macOS 13 and 14 #10131
    • [Infra] SampleAnalyzerIntegrationTest randomly timeouting in CI #10036
    • [BuildCheck][FeatureRequest] Env variable BuildCheck reports value #10429
    • [BuildCheck] EvaluationAnalysisScope configured in .editorconfig doesn't work properly #10448
    • [Bug]: Custom analyzer isn't invoked #10475
  • Others
    • Ensure lifetime of BuildCheckManager #10317
    • [Bug] [BuildCheck]: BC0103 used environment variable does not trigger when property is defined in target #10431
    • [Documentation]: Document the command line switch from BuildCheck Stats #10387
    • [Bug] [BuildCheck] [Documentation]: Default severity of build-in analyzer rules should be documented.  #10427
    • [Bug] [BuildCheck] [Documentation]: Add a verbose instruction for custom analyzer creation.  #10449
    • [Bug] [BuildCheck]: rebuild with the build-in analyzers hangs #10414