Apply buffering changes to BigQuery Destination when using staging

[sherifnada]

Subtasks

• Refactor GCS and S3 related classes to DRY the code
  • S3 and GCS destination config
• Migrate BigQuery destination to use the new serialized buffering staging strategy
• Migrate BigQuery denormalized destination to use the new serialized buffering staging strategy

[tuliren]

Reference: #11294