net/keycloak: Update 26.7.1 => 26.7.2
Release Notes:
https://www.keycloak.org/2026/08/keycloak-2672-released
PR: 297660
Security: CVE-2026-45292
Security: CVE-2026-14613
Security: CVE-2026-59888
Security: CVE-2026-59889
Security: CVE-2026-15945
Security: CVE-2026-17048
Security: CVE-2026-15571
Security: CVE-2026-18963
Sponsored by: UNIS Labs
MFH: 2026Q3
(cherry picked from commit e9cceed0d70e7d3b66c3695cf18bd3b0580e897c)