Fix Kinesis Analytics test (apache#41489)

With the default `force=False` the test fails on our CI because the data retention policy is blocking the deletion.

tests/system/providers/amazon/aws/example_kinesis_analytics.py

@@ -120,6 +120,8 @@ def kinesis_analytics_v2_workflow():
     )
     # [END howto_operator_stop_application]
     stop_application.wait_for_completion = False
+    # With the default `force=False` the test fails  because the data retention policy is blocking the deletion.
+    stop_application.force = True
 
     # [START howto_sensor_stop_application]
     await_stop_application = KinesisAnalyticsV2StopApplicationCompletedSensor(