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**Description**

Related to the discussion here: https://github.com/apache/airflow/pull/8553#discussion_r416136954

Allow user to define expected terminal state. e.g. `JOB_STATE_CANCELLED` could be not treated as failure but expected terminal state.


<!-- A short description of your feature -->


self,
        *,
        py_file: str,
        job_name: str = "{{task.task_id}}",
        dataflow_default_options: dict | None = None,
        options: dict | None = None,
        py_interpreter: str = "python3",
        py_options: list[str] | None = None,
        py_requirements: list[str] | None = None,
        py_system_site_packages: bool = False,