fix(e2e): update workflow verification query for new table locations

The namespaces table moved from metaschema_public.namespace to
constructive_infra_public.platform_namespaces (module-resolved).

Author: pyramation

.github/workflows/test-provisioning-e2e.yaml

@@ -138,7 +138,7 @@ jobs:
           echo "DB bootstrap complete."
 
           echo "=== Verify seed data ==="
-          psql -c "SELECT name FROM metaschema_public.namespace;"
+          psql -c "SELECT name FROM constructive_infra_public.platform_namespaces;"
           psql -c "SELECT name, image FROM constructive_compute_public.platform_function_definitions;"
 
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