shield Important: cockpit-image-builder security update

ESEA-2026:0136

The image-builder-frontend generates custom images suitable for deploying systems or uploading to the cloud. It integrates into Cockpit as a frontend for osbuild. Security Fix(es): lodash: prototype pollution in _.unset and _.omit functions (CVE-2025-13465) lodash: lodash: Arbitrary code execution via untrusted input in template imports (CVE-2026-4800).