Bump ruby/setup-ruby

Bumps the actions-minor group with 1 update in the /.github/workflows directory: [ruby/setup-ruby](https://github.com/ruby/setup-ruby).


Updates `ruby/setup-ruby` from 1.321.0 to 1.323.0
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Changelog](https://github.com/ruby/setup-ruby/blob/master/release.rb)
- [Commits](https://github.com/ruby/setup-ruby/compare/95ef2b042f9d7a56d8268cba8559e2842e2ad01b...984c0c890880bbf811283d6f09c4607c62d210a4)

---
updated-dependencies:
- dependency-name: ruby/setup-ruby
  dependency-version: 1.323.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions-minor
...

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