Error: Unknown engine false on ubuntu-20.04 at validateRubyEngineAndVersion (/home/runner/work/_actions/ruby/setup-ruby/v1/dist/index.js:65884:11) at setupRuby (/home/runner/work/_actions/ruby/setup-ruby/v1/dist/index.js:65801:19) at run (/home/runner/work/_actions/ruby/setup-ruby/v1/dist/index.js:65765:11) at /home/runner/work/_actions/ruby/setup-ruby/v1/dist/index.js:65934:40 at /home/runner/work/_actions/ruby/setup-ruby/v1/dist/index.js:65936:3 at Object.<anonymous> (/home/runner/work/_actions/ruby/setup-ruby/v1/dist/index.js:65939:12) at Module._compile (node:internal/modules/cjs/loader:1241:14) at Module._extensions..js (node:internal/modules/cjs/loader:1295:10) at Module.load (node:internal/modules/cjs/loader:1091:32) at Module._load (node:internal/modules/cjs/loader:938:12)