Ruby 2.2 is EOL, and Ruby 2.3 will be EOL by the end of this month (see: https://www.ruby-lang.org/en/downloads/branches/). Remove them from our CI configuration, and add Ruby 2.5 instead. (We also run our CI on ruby-latest, which is currently 2.6.x.)
Ruby 2.2 is EOL, and Ruby 2.3 will be EOL by the end of this month (see: https://www.ruby-lang.org/en/downloads/branches/). Remove them from our CI configuration, and add Ruby 2.5 instead. (We also run our CI on
ruby-latest
, which is currently 2.6.x.)