fix(clickhouse-client): set Arrow string format options to match Cloud defaults

        let mut client = Client::default()

            .with_url(url)

            .with_database(database)

            .with_user(username);

            .with_user(username)

            .with_option("output_format_arrow_string_as_string", "1")

            .with_option("output_format_arrow_fixed_string_as_fixed_byte_array", "1");

        if let Some(password) = password {

            client = client.with_password(password);