[release/9.0] Disable Guardian Dotnet Analyzers (#36777)

Author: AndriySvyryd

azure-pipelines.yml

@@ -47,6 +47,7 @@ extends:
   parameters:
     featureFlags:
       autoBaseline: false
+      autoEnableRoslynWithNewRuleset: false
     sdl:
       sourceAnalysisPool:
         name: $(DncEngInternalBuildPool)
@@ -238,4 +239,4 @@ extends:
           enableSourceLinkValidation: false
           publishAssetsImmediately: true
           SDLValidationParameters:
-            enable: false
+            enable: false