Bump ruby/setup-ruby from 1.319.0 to 1.321.0 in the github-actions group

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


Updates `ruby/setup-ruby` from 1.319.0 to 1.321.0
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Commits](ruby/setup-ruby@v1.319.0...v1.321.0)

---
updated-dependencies:
- dependency-name: ruby/setup-ruby
  dependency-version: 1.321.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: github-actions
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -34,7 +34,7 @@ jobs:
         uses: actions/checkout@v7.0.1
 
       - name: Set up ruby and bundle
-        uses: ruby/setup-ruby@v1.319.0
+        uses: ruby/setup-ruby@v1.321.0
         with:
           ruby-version: ${{matrix.ruby}}
           bundler-cache: true

.github/workflows/push_gem.yml

@@ -30,7 +30,7 @@ jobs:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@003a5c4d8d6321bd302e38f6f0ec593f77f06600  # v1.319.0
+        uses: ruby/setup-ruby@95ef2b042f9d7a56d8268cba8559e2842e2ad01b  # v1.321.0
         with:
           ruby-version: ruby
           bundler-cache: true