chore(fix): Put .ruby-version back, used to push gem

Author: pham

.github/workflows/pages.yml

@@ -29,7 +29,6 @@ jobs:
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.2'
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically
           cache-version: 0 # Increment this number if you need to re-download cached gems