Bump ruby/setup-ruby from 1.173.0 to 1.203.0

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from 1.173.0 to 1.203.0.
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Changelog](https://github.com/ruby/setup-ruby/blob/master/release.rb)
- [Commits](ruby/setup-ruby@v1.173.0...v1.203.0)

---
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/build-images.yml

@@ -31,7 +31,7 @@ jobs:
         with:
           persist-credentials: false
 
-      - uses: ruby/setup-ruby@v1.173.0
+      - uses: ruby/setup-ruby@v1.203.0
         with:
           ruby-version: .ruby-version
           bundler-cache: true