BigQuery: Avoid too long(10 seconds) interval for bigquery api to get results (#7342)

Author: yoshiokatsuneo

redash/query_runner/big_query.py

@@ -86,7 +86,7 @@ def _get_query_results(jobs, project_id, location, job_id, start_index):
     ).execute()
     logging.debug("query_reply %s", query_reply)
     if not query_reply["jobComplete"]:
-        time.sleep(10)
+        time.sleep(1)
         return _get_query_results(jobs, project_id, location, job_id, start_index)
 
     return query_reply