Bump ruby/setup-ruby from 1.157.0 to 1.161.0

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from 1.157.0 to 1.161.0.
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Commits](ruby/setup-ruby@a05e473...8575951)

---
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/run-tests.yml

@@ -16,7 +16,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
-      - uses: ruby/setup-ruby@a05e47355e80e57b9a67566a813648fa67d92011 # v1.157.0
+      - uses: ruby/setup-ruby@8575951200e472d5f2d95c625da0c7bec8217c42 # v1.161.0
         with:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically