chore(deps): bump ruby/setup-ruby in the dependencies group

Bumps the dependencies group with 1 update: [ruby/setup-ruby](https://github.com/ruby/setup-ruby).


Updates `ruby/setup-ruby` from 1.265.0 to 1.266.0
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Changelog](https://github.com/ruby/setup-ruby/blob/master/release.rb)
- [Commits](ruby/setup-ruby@ab177d4...4ff6f36)

---
updated-dependencies:
- dependency-name: ruby/setup-ruby
  dependency-version: 1.266.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/tests.yml

@@ -17,7 +17,7 @@ jobs:
         uses: actions/[email protected]
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@ab177d40ee5483edb974554986f56b33477e21d0
+        uses: ruby/setup-ruby@4ff6f3611a42bc75eee1e5138240eb1613f48c8f
 
       - name: Get NodeJS version
         run: echo "NODE_VERSION=$(cat .node-version)" >> $GITHUB_OUTPUT