This update for chromium fixes the following issues:
Chromium 91.0.4472.114 (boo#1187481)
CVE-2021-30554: Use after free in WebGL * CVE-2021-30555: Use after free in Sharing * CVE-2021-30556: Use after free in WebAudio * CVE-2021-30557: Use after free in TabGroups
Chromium 91.0.4472.106
Fix use-after-free in SendTabToSelfSubMenuModel * Destroy system-token NSSCertDatabase on the IO thread