* and stop setting default values in python operator code, so defaults can be set at the server side.

This issue is just for the PR and questions from maintainers. 
airflow/providers/yandex/operators/yandexcloud_dataproc.py
self,
        *,
        query: Optional[str] = None,
        query_file_uri: Optional[str] = None,
        script_variables: Optional[Dict[str, str]] = None,
        continue_on_failure: bool = False,
        properties: Optional[Dict[str, str]] = None,
        name: str = 'Hive job',
        cluster_id: Optional[str] = None,
        connection_id: Optional[str] = None,
        **kwargs,
    ) -> None:
        super().__init__(**kwargs)
        self.query = query
        self.query_file_uri = query_file_uri
        self.script_variables = script_variables
        self.continue_on_failure = continue_on_failure
        self.properties = properties
        self.name = name
        self.cluster_id = cluster_id
        self.connection_id = connection_id
        self.hook: Optional[DataprocHook] = None
    def execute(self, context) -> None: