jirafeau: 4.4.0 -> 4.7.2
https://gitlab.com/jirafeau/Jirafeau/-/blob/4.7.2/CHANGELOG.md
Update to the continued official project namespace. This release contains the fix for CVE-2026-1466; extend the NixOS test with the vulnerable preview contract.
Assisted-by: pi coding agent / Mika (OpenAI gpt-5.6-sol)