Pontoon: Update Korean (ko) localization of AMO Frontend
Pontoon: Update Korean (ko) localization of AMO Frontend

Co-authored-by: Kim YoungCheon <e250598a231d14c50e9d341c83247be9ec774a74@gmail.com>

mozilla/addons-frontend,mozilla/addons-frontend,mozilla/addons-frontend,mozilla/addons-frontend