Description of changes

Revert change, which caused no columns to be picked up:
packages/ibis/expr/types/relations.py", line 1724, in select\n raise com.IbisTypeError(\nibis.common.exceptions.IbisTypeError: You must select at least one column for a valid projection\n'.

Also test updating to 'redshift' dialect since customer is getting NoSuchTable error due to internal catalog searching for PG metadata tables.

Checklist

• I have followed the CONTRIBUTING Guide.
• I have commented my code, particularly in hard-to-understand areas
• I have updated any relevant documentation to reflect my changes, if applicable
• I have added unit and/or integration tests relevant to my change as needed
• I have already checked locally that all unit tests and linting are passing (use the tests/local_check.sh script)
• I have manually executed end-to-end testing (E2E) with the affected databases/engines