This update for chromium fixes the following issues:

- Chromium was updated to 89.0.4389.90 (boo#1183515)
  - CVE-2021-21191: Use after free in WebRTC.
  - CVE-2021-21192: Heap buffer overflow in tab groups.
  - CVE-2021-21193: Use after free in Blink.

This update was imported from the openSUSE:Leap:15.2:Update update project.