[Unconfirmed] Suspect there may be issues introspecting on PostgreSQL 14

[thekevinbrown]

Describe the bug
A user has described that they were receiving errors about unsupported relationships with graphweaver import pointed at a PostgreSQL 14 database, then they upgraded to PostgreSQL 15 and the issues went away.

Expected behavior
PostgreSQL 14 should work without issue.

Actual behavior
Seemingly was a problem.

Let's investigate and see if we can reproduce.