bigquery: v1.78.0

1.78.0 (2026-07-09)

Features

• bigquery: Augment external data config (#14397) (a120310)
• Update API sources and regenerate (#14621) (6641db8)

Bug Fixes

• bigquery: Handle reset case for table clustering (#14579) (658faa8)
• bigquery: Improve random ID generation in bigquery (#20111) (ee8d3e1)