databases/postgresql??-*: Upgrade to latest version

The PostgreSQL Global Development Group has released an update to all
supported versions of PostgreSQL, including 18.4, 17.10, 16.14, 15.18,
and 14.23. This release fixes 11 security vulnerabilities and over 60
bugs reported over the last several months.

Release notes: https://www.postgresql.org/docs/release/

PostgreSQL 14 EOL Notice

PostgreSQL 14 will stop receiving fixes on November 12, 2026. If you are
running PostgreSQL 14 in a production environment, we suggest that you
make plans to upgrade to a newer, supported version of PostgreSQL.
Please see our versioning policy for more information.

Security: 7185ecc9-4fb7-11f1-bc50-6cc21735f730

		CVE-2026-6472, CVE-2026-6473, CVE-2026-6474,
		CVE-2026-6475, CVE-2026-6476, CVE-2026-6477,
		CVE-2026-6478, CVE-2026-6479, CVE-2026-6575,
		CVE-2026-6637, CVE-2026-6638.

(cherry picked from commit 1b9564eb704b8b3e275974c20b02c8cf928fc4d8)