Bump ruby/setup-ruby from 1.285.0 to 1.286.0 (#8368)

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from 1.285.0 to 1.286.0.
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Changelog](https://github.com/ruby/setup-ruby/blob/master/release.rb)
- [Commits](https://github.com/ruby/setup-ruby/compare/e69dcf3ded5967f30d7ef595704928d91cdae930...90be1154f987f4dc0fe0dd0feedac9e473aa4ba8)

---
updated-dependencies:
- dependency-name: ruby/setup-ruby
  dependency-version: 1.286.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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