Bump ruby/setup-ruby from 1.179.1 to 1.180.0 (#1690)

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from 1.179.1 to 1.180.0.
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Commits](ruby/setup-ruby@78c01b7...ff740bc)

---
updated-dependencies:
- dependency-name: ruby/setup-ruby
  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@692973e3d937129bcbf40652eb9f2f61becf3332
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@78c01b705fd9d5ad960d432d3a0cfa341d50e410
+        uses: ruby/setup-ruby@ff740bc00a01b3a50fffc55a1071b1060eeae9dc
         with:
           ruby-version: ${{ matrix.ruby-version }}
           bundler-cache: true