Update to 1.12.3 Fixes these two security issues: * CVE-2021-43860 or https://github.com/flatpak/flatpak/security/advisories/GHSA-qpjc-vq3c-572j * CVE-2022-21682 or https://github.com/flatpak/flatpak/security/advisories/GHSA-8ch7-5j3h-g4fx Full release notes: https://github.com/flatpak/flatpak/releases/tag/1.12.3