Extend pg_get_acl() to handle sub-object IDs
This patch modifies the pg_get_acl() function to accept a third argument
called "objsubid", bringing it on par with similar functions in this
area like pg_describe_object(). This enables the retrieval of ACLs for
relation attributes when scanning dependencies.
Bump catalog version.
Author: Joel Jacobson
Discussion: https://postgr.es/m/
f2539bff-64be-47f0-9f0b-
df85d3cc0432@app.fastmail.com