Bump ruby/setup-ruby from 1.229.0 to 1.236.0 (#1748)

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from 1.229.0 to 1.236.0.
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Changelog](https://github.com/ruby/setup-ruby/blob/master/release.rb)
- [Commits](ruby/setup-ruby@354a1ad...f41e084)

---
updated-dependencies:
- dependency-name: ruby/setup-ruby
  dependency-version: 1.236.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/exercise-tests.yml

@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@354a1ad156761f5ee2b7b13fa8e09943a5e8d252
+        uses: ruby/setup-ruby@f41e084df884422b269f4c01c3748a9df4431a75
         with:
           ruby-version: ${{ matrix.ruby-version }}
           bundler-cache: true