'COMMENT ON COLUMN' does not work for attributes of custom types

[varungandhi-src]

Version

1.27.0

What happened?

sqlc does not recognize that a type created using CREATE TYPE allows comments on its attributes using COMMENT ON COLUMN.

This test also does not have coverage for this case.

https://sourcegraph.com/github.com/sqlc-dev/sqlc/-/blob/internal/endtoend/testdata/ddl_comment/postgresql/pgx/v5/schema.sql

Relevant log output

# package db
query.sql:1:1: relation "abc" does not exist

Database schema

CREATE TYPE abc AS (
  x integer
);

COMMENT ON COLUMN abc.x IS 'hello';

SQL queries

n/a

Configuration

n/a

Playground URL

https://play.sqlc.dev/p/b753dfa2bcd9d8e6f836a8223b9b3d1dc665dccf2153f5fa71d5d00d7fcc1df5

What operating system are you using?

No response

What database engines are you using?

No response

What type of code are you generating?

No response