Upgrade to Ruby 3.0.2.
- Fix command injection vulnerability in RDoc.
Resolves: CVE-2021-31799
- Fix FTP PASV command response can cause Net::FTP to connect to arbitrary host.
Resolves: CVE-2021-31810
- Fix StartTLS stripping vulnerability in Net::IMAP.
Resolves: CVE-2021-32066
- Fix dependencies of gems with explicit source installed from a different
source.
Resolves: CVE-2020-36327