BigQuery: Add support for use_avro_logical_types for extract jobs

[knhan-bq]

use_avro_logical_types is supported for load jobs:

google-cloud-python/bigquery/google/cloud/bigquery/job.py

Line 1318 in 89eaedb

def use_avro_logical_types(self):

We should add the same mapping for extract jobs. BigQuery already supports it in the API backend.