Run Rubocop with Ruby 3.0

Author: n-rodriguez

.github/workflows/ci.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.3'
+          ruby-version: '3.0'
 
       - name: Bundler
         run: bundle install