www/node25: Update to 25.3.0
Changes: https://github.com/nodejs/node/releases
https://github.com/nodejs/node/blob/main/doc/changelogs/CHANGELOG_V25.md
Security: CVE-2025-55130, CVE-2025-55131, CVE-2025-55132, CVE-2025-59465, CVE-2025-59466, CVE-2026-21636, CVE-2026-21637
(cherry picked from commit 9facae53987d6fde4664a65c6fd889c4b46b549b)