Marks Windows module_test to be flaky (#133640)

<!-- meta-tags: To be used by the automation script only, DO NOT MODIFY.
{
  "name": "Windows module_test"
}
-->
Issue link: https://github.com/flutter/flutter/issues/133639

.ci.yaml

@@ -4591,6 +4591,7 @@ targets:
       - .ci.yaml
 
   - name: Windows module_test
+    bringup: true # Flaky https://github.com/flutter/flutter/issues/133639
     recipe: devicelab/devicelab_drone
     timeout: 60
     properties: