Since the actions/ruby-setup is deprecated, I would like to migrate to the ruby/ruby-setup. In addition, I have added Ruby v3.1 and v3.2, removed v2.6 which the latest Bundler does not support, and bumped the actions/checkout to v3.
I would appreciate your kind consideration.
This pull request aims to fix failing builds: https://github.com/ruby-numo/numo-linalg/actions/runs/3911069400
Since the actions/ruby-setup is deprecated, I would like to migrate to the ruby/ruby-setup. In addition, I have added Ruby v3.1 and v3.2, removed v2.6 which the latest Bundler does not support, and bumped the actions/checkout to v3. I would appreciate your kind consideration.