This update for postgresql16 fixes the following issues:

- Upgrade to 16.4 (bsc#1229013)
- CVE-2024-7348: PostgreSQL relation replacement during pg_dump executes arbitrary SQL. (bsc#1229013)
- CVE-2024-4317: Restrict visibility of pg_stats_ext and pg_stats_ext_exprs entries to the table owner. See the release notes for the steps that have to be taken to fix existing PostgreSQL instances. (bsc#1224038)