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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,
        *,
        template: str,
        project_id: str | None = None,
        job_name: str = "{{task.task_id}}",
        options: dict[str, Any] | None = None,
        dataflow_default_options: dict[str, Any] | None = None,
        parameters: dict[str, str] | None = None,
        location: str | None = None,
        gcp_conn_id: str = "google_cloud_default",
        poll_sleep: int = 10,
        impersonation_chain: str | Sequence[str] | None = None,
        environment: dict | None = None,
        cancel_timeout: int | None = 10 * 60,
        wait_until_finished: bool | None = None,
        append_job_name: bool = True,
        deferrable: bool = conf.getboolean("operators", "default_deferrable", fallback=False),
        **kwargs,
    ) -> None:
        super().__init__(**kwargs)
        self.template = template
        self.job_name = job_name
        self.options = options or {}
        self.dataflow_default_options = dataflow_default_options or {}
        self.parameters = parameters or {}
        self.project_id = project_id
        self.location = location