databases/valkey: Update version 8.1.3=>8.1.4

Changelog: https://github.com/valkey-io/valkey/releases/tag/8.1.4

MFH: 2025Q4
Security: CVE-2025-49844
Security: CVE-2025-46817
Security: CVE-2025-46818
Security: CVE-2025-46819
(cherry picked from commit bb843ca009c7d8139496f2a4467eb0849d8a022d)