### 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)

"""
    Creates an AWS ECS cluster.
    .. seealso::
        For more information on how to use this operator, take a look at the guide:
        :ref:`howto/operator:EcsCreateClusterOperator`
    :param cluster_name: The name of your cluster. If you don't specify a name for your
        cluster, you create a cluster that's named default.
    :param create_cluster_kwargs: Extra arguments for Cluster Creation.
    :param wait_for_completion: If True, waits for creation of the cluster to complete. (default: True)
    """
    template_fields: Sequence[str] = ("cluster_name", "create_cluster_kwargs", "wait_for_completion")
    def __init__(
        self,
        *,
        cluster_name: str,
        create_cluster_kwargs: dict | None = None,
        wait_for_completion: bool = True,
        **kwargs,
    ) -> None:
        super().__init__(**kwargs)
        self.cluster_name = cluster_name
        self.create_cluster_kwargs = create_cluster_kwargs or {}
        self.wait_for_completion = wait_for_completion
    def execute(self, context: Context):