Marks Windows module_test to be unflaky (#99408)

Author: fluttergithubbot

.ci.yaml

@@ -4051,7 +4051,6 @@ targets:
       - .ci.yaml
 
   - name: Windows module_test
-    bringup: true # Flaky https://github.com/flutter/flutter/issues/96792
     recipe: devicelab/devicelab_drone
     timeout: 60
     properties: