Bump ruby/setup-ruby from 1.229.0 to 1.268.0

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from 1.229.0 to 1.268.0.
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Changelog](https://github.com/ruby/setup-ruby/blob/master/release.rb)
- [Commits](354a1ad156...8aeb6ff803)

---
updated-dependencies:
- dependency-name: ruby/setup-ruby
  dependency-version: 1.268.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/licensed.yml

@@ -19,7 +19,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0 # prefer to use a full fetch for licensed workflows
-      - uses: ruby/setup-ruby@354a1ad156761f5ee2b7b13fa8e09943a5e8d252 # v1.229.0
+      - uses: ruby/setup-ruby@8aeb6ff8030dd539317f8e1769a044873b56ea71 # v1.268.0
         with:
           ruby-version: ruby
       - uses: github/setup-licensed@v1