Fix setting S3 credentials when syncing incrementally

Fix writing Iceberg metadata when syncing incrementally in S3

Document new incremental syncing

Add support for incrementally-refreshed tables (append-only)

Fix syncing when PG column names contain commas

Fix \d in psql v16+, add pg_publication_namespace and generate_series()

Fix storing table metadata when syncing empty tables

Merge branch 'incremental-inserts'

Add support for ::pg_catalog.regclass::pg_catalog.text type casting

Fix reading from Iceberg with an absolute path on a local disk