chore(deps): bump ruby/setup-ruby from 1.186.0 to 1.188.0 (#124)

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from 1.186.0 to 1.188.0.
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Changelog](https://github.com/ruby/setup-ruby/blob/master/release.rb)
- [Commits](ruby/setup-ruby@2a9a743...50ba338)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/ci.yml

@@ -224,7 +224,7 @@ jobs:
           cache-dependency-path: ${{ inputs.working-directory }}
 
       # setup ruby environment before running jonabc/setup-licensed
-      - uses: ruby/setup-ruby@2a9a743e19810b9f3c38060637daf594dbd7b37f # v1.186.0
+      - uses: ruby/setup-ruby@50ba3386b050ad5b97a41fcb81240cbee1d1821f # v1.188.0
         with:
           ruby-version: ruby