If the installed ca-certificates on tier1 is something that doesn't
exist in the repo anymore, re-install will fail. So just try to install
and expect update if a more recent version is available.
Pick-to: 6.7
Change-Id: Ib6e610f4908fcae6af7e79ecc37ffe600c6ee7af
Reviewed-by: Toni Saario <toni.saario@qt.io>