CLSA-2026-1778254382 buildah: Fix of CVE-2026-25679

rebuild on tuxcare9.6esu with newer golang version 1.25.7-1.el96.tuxcare.els2 to fix the following CVE: - CVE-2026-25679: fix insufficient validation of host/authority component in url.Parse - split golang BuildRequires by .el96 so each ELS platform pulls its own fixed golang version el96 -...