build(deps): bump ruby/setup-ruby from 1.187.0 to 1.188.0 (#2187)

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from 1.187.0 to 1.188.0.
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Changelog](https://github.com/ruby/setup-ruby/blob/master/release.rb)
- [Commits](ruby/setup-ruby@161cd54...50ba338)

---
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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/testflight.yml

@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: subosito/flutter-action@44ac965b96f18d999802d4b807e3256d5a3f9fa1 # pin@v2.16.0
       - run: xcodes select 15.0.1
-      - uses: ruby/setup-ruby@161cd54b698f1fb3ea539faab2e036d409550e3c # pin@v1.187.0
+      - uses: ruby/setup-ruby@50ba3386b050ad5b97a41fcb81240cbee1d1821f # pin@v1.188.0
         with:
           ruby-version: '2.7.5'
           bundler-cache: true