package/redis: security bump to v7.2.9
This fixes the following CVEs:
- CVE-2025-27151: redis-check-aof may lead to stack overflow and potential RCE
https://www.cve.org/CVERecord?id=CVE-2025-27151
- CVE-2025-21605: An unauthenticated client can cause an unlimited growth of
output buffers
https://www.cve.org/CVERecord?id=CVE-2025-21605
Signed-off-by: Titouan Christophe <titouan.christophe@mind.be>
Signed-off-by: Thomas Perale <thomas.perale@mind.be>