feat: [google-cloud-bigquery-reservation] Add a new field replication_status to .google.cloud.bigquery.reservation.v1.Reservation to provide visibility into errors that could arise during Disaster Recovery(DR) replication

feat: [google-cloud-bigquery-reservation] Add a new field replication_status to .google.cloud.bigquery.reservation.v1.Reservation to provide visibility into errors that could arise during Disaster Recovery(DR) replication #8371