### What do you see as an issue?

In the `EcsRunTaskOperator`, one of the params in the docstring is `region_name`, but it should be `region`:

https://github.com/apache/airflow/blob/2.5.0/airflow/providers/amazon/aws/operators/ecs.py#L281

### Solving the problem

_No response_

### Anything else

_No response_

### Are you willing to submit PR?

- [X] Yes I am willing to submit a PR!

### Code of Conduct

- [X] I agree to follow this project's [Code of Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)

"""
    Deregister a task definition on AWS ECS.
    .. seealso::
        For more information on how to use this operator, take a look at the guide:
        :ref:`howto/operator:EcsDeregisterTaskDefinitionOperator`
    :param task_definition: The family and revision (family:revision) or full Amazon Resource Name (ARN)
        of the task definition to deregister. If you use a family name, you must specify a revision.
    :param wait_for_completion: If True, waits for creation of the cluster to complete. (default: True)
    """
    template_fields: Sequence[str] = ("task_definition", "wait_for_completion")
    def __init__(self, *, task_definition: str, wait_for_completion: bool = True, **kwargs):
        super().__init__(**kwargs)
        self.task_definition = task_definition
        self.wait_for_completion = wait_for_completion
    def execute(self, context: Context):
        self.log.info("Deregistering task definition %s.", self.task_definition)
        result = self.client.deregister_task_definition(taskDefinition=self.task_definition)
        if self.wait_for_completion:
            while not EcsTaskDefinitionStateSensor(
                task_id="await_deregister_task_definition",
                task_definition=self.task_definition,
                target_state=EcsTaskDefinitionStates.INACTIVE,
            ).poke(context):
                
                
                pass
        return result["taskDefinition"]["taskDefinitionArn"]
class EcsRegisterTaskDefinitionOperator(EcsBaseOperator):