Bump ruby/setup-ruby from 1.254.0 to 1.255.0 in the actions group

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


Updates `ruby/setup-ruby` from 1.254.0 to 1.255.0
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Changelog](https://github.com/ruby/setup-ruby/blob/master/release.rb)
- [Commits](ruby/setup-ruby@2a7b300...829114f)

---
updated-dependencies:
- dependency-name: ruby/setup-ruby
  dependency-version: 1.255.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions
...

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

Author: dependabot[bot]