fix product metadata

Author: ceperezb

learn-pr/wwl-sci/specify-requirements-securing-saas-paas-iaas-services/index.yml

@@ -34,8 +34,7 @@ products:
 - defender-for-cloud
 - defender-for-cloud-apps
 - defender-identity
-- microsoft-sentinel
-- azure-ai-foundry
+- microsoft-foundry
 subjects:
   - security
   - cloud-security