Revdepcheck fixes

[hadley]

• bigrquery — Improve SQL generation tests r-dbi/bigrquery#671
• bigrquery what's up with sql_escape_table_source(con, from): x must be a table path or SQL?
• CohortCharacteristics —
• dbi.table — Drop test kjellpk/dbi.table#5
• diseasystore —
• dm —
• etl — fixed by restoring format.src_sql()
• healthdb —
• lazysf — dbplyr 1st edition is going away hypertidy/lazysf#9
• mlr3db —
• osdc —
• PatientProfiles —
• pool —
• RClickhouse — dbplyr 1st edition is going away IMSMWU/RClickhouse#114
• RPresto — Fixes for upcoming dbplyr 2.6.0 release prestodb/RPresto#334
• SCDB —