add retry strategy back to copy table

dbt/adapters/bigquery/connections.py

@@ -441,6 +441,7 @@ def copy_bq_table(self, source, destination, write_disposition) -> None:
                 source_ref_array,
                 destination_ref,
                 job_config=CopyJobConfig(write_disposition=write_disposition),
+                retry=self._retry.create_reopen_with_deadline(conn),
             )
             copy_job.result(timeout=self._retry.create_job_execution_timeout(fallback=300))