Bump ruby/setup-ruby from 1.324.0 to 1.328.0

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from 1.324.0 to 1.328.0.
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Changelog](https://github.com/ruby/setup-ruby/blob/master/release.rb)
- [Commits](ruby/setup-ruby@a0102e0...e81a8fa)

---
updated-dependencies:
- dependency-name: ruby/setup-ruby
  dependency-version: 1.328.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -31,7 +31,7 @@ jobs:
     steps:
     - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
     - name: Set up Ruby
-      uses: ruby/setup-ruby@a0102e0972be65f351c307e2d64b9314a57c8073 # v1.324.0
+      uses: ruby/setup-ruby@e81a8fa391b11a595c1b7ed84177cc0fe02faf83 # v1.328.0
       with:
         ruby-version: ${{ matrix.ruby-version }}
         bundler-cache: true