Update record.last_record/deleted to UTC.

Backport to fixes/0.27.

These were missed in the upgrade to schema version 1303.  Note that
this change only works for those who haven't yet upgraded.  It's too
difficult to impossible to fix this for those who have already
upgraded.

Fixes #12024

(cherry picked from commit e523eedc7fb884eaa147b77091aa30ff52c54929)