CLSA-2026-1774460378 postgresql11: Fix of 4 CVEs

Fix CVE-2025-1094: Improper neutralization of quoting syntax in libpq escape functions allowing SQL injection. - Fix CVE-2024-7348: TOCTOU race condition in pgdump allows arbitrary SQL function execution via view/foreign table replacement. - Fix CVE-2024-10979: Block environment variable...