chore(deps): update ruby/setup-ruby action to v1.304.0

Author: renovate[bot]

.github/workflows/jekyll-build.yml

@@ -180,7 +180,7 @@ jobs:
           ls -Ra
 
       - name: Setup Ruby
-        uses: ruby/setup-ruby@7372622e62b60b3cb750dcd2b9e32c247ffec26a  # v1.302.0
+        uses: ruby/setup-ruby@94e4d89d3e6c1c7599e0210d114c5ffb23f1a866  # v1.304.0
         with:
           ruby-version: '3.3'