Update rubyonrails.yml

.github/workflows/rubyonrails.yml

@@ -41,6 +41,7 @@ jobs:
         uses: ruby/setup-ruby@55283cc23133118229fd3f97f9336ee23a179fcf # v1.146.0
         with:
           bundler-cache: true
+          ruby-version: '3.3.5'
       # Add or replace database setup steps here
       - name: Set up database schema
         run: bin/rails db:schema:load