bq transfer configs support Dataplex Entry Group integration and filtering
When creating or updating a transfer config for Dataplex Entry Group integration, use `--dataplex_entry_group`; to list configs with Dataplex configuration metadata, filter with `--filter="metadata_destination.dataplex_configuration:*"`.
bq mk --transfer_config --data_source=<DATA_SOURCE> --dataplex_entry_group=<ENTRY_GROUP>