Bump ruby/setup-ruby from 1.175.1 to 1.176.0

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from 1.175.1 to 1.176.0.
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Commits](ruby/setup-ruby@1198b07...cacc9f1)

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

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

.github/workflows/gh-pages.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Setup Ruby
-        uses: ruby/setup-ruby@1198b074305f9356bd56dd4b311757cc0dab2f1c # v1.175.1
+        uses: ruby/setup-ruby@cacc9f1c0b3f4eb8a16a6bb0ed10897b43b9de49 # v1.176.0
         with:
           ruby-version: '3.2'
           bundler-cache: true