Disable security scanner alerts

This disable feature flag for security alerts
to prevent a production issue related to
GraphQL endpoint

ee/app/controllers/projects/security/dashboard_controller.rb

@@ -9,7 +9,7 @@ module Projects
 
       before_action only: [:index] do
         push_frontend_feature_flag(:hide_dismissed_vulnerabilities)
-        push_frontend_feature_flag(:scanner_alerts, default_enabled: true)
+        push_frontend_feature_flag(:scanner_alerts, default_enabled: false)
       end
     end
   end

ee/changelogs/unreleased/djadmin-fix-dashboard.yml

+---
+title: Disable security scanner alerts
+merge_request: 37354
+author:
+type: fixed