### Body

Use `AirflowProviderDeprecationWarning` as warning source in EMR operators and change stacklevel to 2:
https://github.com/apache/airflow/blob/05036e619c0c6dafded1451daac4e07e20aee33f/airflow/providers/amazon/aws/operators/emr.py#L380-L384
https://github.com/apache/airflow/blob/05036e619c0c6dafded1451daac4e07e20aee33f/airflow/providers/amazon/aws/operators/emr.py#L373-L377
https://github.com/apache/airflow/blob/05036e619c0c6dafded1451daac4e07e20aee33f/airflow/providers/amazon/aws/operators/emr.py#L264-L268
https://github.com/apache/airflow/blob/05036e619c0c6dafded1451daac4e07e20aee33f/airflow/providers/amazon/aws/operators/emr.py#L257-L261

### Committer

- [X] I acknowledge that I am a maintainer/committer of the Apache Airflow project.
if event is None:
            self.log.error("Trigger error: event is None")
            raise AirflowException("Trigger error: event is None")
        elif event["status"] == "success":
            self.hook.conn.stop_application(applicationId=self.application_id)
            self.defer(
                trigger=EmrServerlessStopApplicationTrigger(
                    application_id=self.application_id,
                    aws_conn_id=self.aws_conn_id,
                    waiter_delay=self.waiter_delay,
                    waiter_max_attempts=self.waiter_max_attempts,
                ),
                timeout=timedelta(seconds=self.waiter_max_attempts * self.waiter_delay),
                method_name="execute_complete",
            )
    def execute_complete(self, context: Context, event: dict[str, Any] | None = None) -> None:
        if event is None:
            self.log.error("Trigger error: event is None")
            raise AirflowException("Trigger error: event is None")
        elif event["status"] == "success":
            self.log.info("EMR serverless application %s stopped successfully", self.application_id)
class EmrServerlessDeleteApplicationOperator(EmrServerlessStopApplicationOperator):