Incorrect workaround for PostgreSQL binaries

[illia-v]

Locations

https://github.com/circleci/circleci-docs/blob/902a54389c06aca00d85f68e5e42deb6af4fc1df/jekyll/_cci2/databases.md#using-binaries

Details

The described workaround doesn't fix the version mismatch when cimg/postgres:15.4-postgis is used.

pg_dump: error: server version: 15.4; pg_dump version: 14.8 (Ubuntu 14.8-0ubuntu0.22.04.1)
pg_dump: error: aborting because of server version mismatch

ls -l /usr/lib/postgresql/ in a CI job outputs total 0 drwxr-xr-x 4 root root 28 Jul 2 2023 14.