Unknown version 3.1 for ruby on ubuntu-20.04 available versions for ruby on ubuntu-20.04: 2.1.9, 2.2.10, 2.3.0, 2.3.1, 2.3.2, 2.3.3, 2.3.4, 2.3.5, 2.3.6, 2.3.7, 2.3.8, 2.4.0, 2.4.1, 2.4.2, 2.4.3, 2.4.4, 2.4.5, 2.4.6, 2.4.7, 2.4.9, 2.4.10, 2.5.0, 2.5.1, 2.5.2, 2.5.3, 2.5.4, 2.5.5, 2.5.6, 2.5.7, 2.5.8, 2.6.0, 2.6.1, 2.6.2, 2.6.3, 2.6.4, 2.6.5, 2.6.6, 2.7.0, 2.7.1, 2.7.2, 3.0.0-preview1, 3.0.0-preview2, 3.0.0-rc1, 3.0.0, head, debug File an issue at https://github.com/ruby/setup-ruby/issues if would like support for a new version

The following actions uses node12 which is deprecated and will be forced to run on node16: ruby/setup-ruby@473e4d8fe5dd94ee328fdfca9f8c9c7afc9dae5e. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/