Bump ruby/setup-ruby from 1.156.0 to 1.157.0

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from 1.156.0 to 1.157.0.
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Commits](ruby/setup-ruby@5cfe23c...a05e473)

---
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>

.github/workflows/rubocop.yml

@@ -15,7 +15,7 @@ jobs:
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@5cfe23c062c0aac352e765b1b7cc12ea5255ccc4
+        uses: ruby/setup-ruby@a05e47355e80e57b9a67566a813648fa67d92011
         with:
           ruby-version: .ruby-version
           bundler-cache: true