This update for ruby fixes the following issues:
- CVE-2018-16395: Fixed an issue where two x509 certificates could be
considered to be equal when this was not the case (bsc#1112530).
- CVE-2021-32066: Fixed an issue where the IMAP client API would not
report a failure when StartTLS failed, leading to potential man in
the middle attacks (bsc#1188160).
- CVE-2021-31810: Fixed an issue where the FTP client API would trust
certain responses from a malicious server, tricking the client into
connecting to addresses not (bsc#1188161).