### 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.
"""Create and return an EmrServerlessHook."""
        return EmrServerlessHook(aws_conn_id=self.aws_conn_id)
    def execute(self, context: Context) -> str | None:
        response = self.hook.conn.create_application(
            clientToken=self.client_request_token,
            releaseLabel=self.release_label,
            type=self.job_type,
            **self.config,
        )
        application_id = response["applicationId"]
        if response["ResponseMetadata"]["HTTPStatusCode"] != 200:
            raise AirflowException(f"Application Creation failed: {response}")
        self.log.info("EMR serverless application created: %s", application_id)
        if self.deferrable:
            self.defer(
                trigger=EmrServerlessCreateApplicationTrigger(
                    application_id=application_id,
                    aws_conn_id=self.aws_conn_id,
                    waiter_delay=self.waiter_delay,