language: ruby
cache: bundler
sudo: false
rvm:
  - 2.3.1
  - 2.2
  - 2.1
  - 2.0

language: ruby
cache: bundler
sudo: false
rvm:
  - 2.7
  - 2.6
  - 2.5
  - 2.4
  - 2.3

Remove unsupported versions of Ruby, add supported versions
Remove unsupported versions of Ruby, add supported versions
