Bump ruby/setup-ruby from 1.135.0 to 1.138.0

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from 1.135.0 to 1.138.0.
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Commits](ruby/setup-ruby@8df78e5...d3c9825)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/test.yml

@@ -31,7 +31,7 @@ jobs:
     - if: ${{ matrix.os == 'ubuntu-latest' }}
       run: sudo apt install libyaml-dev
     - name: Set up Ruby
-      uses: ruby/setup-ruby@8df78e55761745aad83acaf3ff12976382356e6d # v1.135.0
+      uses: ruby/setup-ruby@d3c9825d67b0d8720afdfdde5af56c79fdb38d16 # v1.138.0
       with:
         ruby-version: ${{ matrix.ruby }}
         bundler-cache: true # 'bundle install' and cache