### Description

There might be an use case where the export_format can be based on some dynamic values. So, adding export_format will help developers in future

### Use case/motivation

_No response_

### Related issues

_No response_

### Are you willing to submit a 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)

self,
        *,
        source_project_dataset_table: str,
        destination_cloud_storage_uris: list[str],
        project_id: str | None = None,
        compression: str = "NONE",
        export_format: str = "CSV",
        field_delimiter: str = ",",
        print_header: bool = True,
        gcp_conn_id: str = "google_cloud_default",
        delegate_to: str | None = None,
        labels: dict | None = None,
        location: str | None = None,
        impersonation_chain: str | Sequence[str] | None = None,