update ruby check build

Author: flicj191

.github/workflows/build-check-tutorial-site.yml

@@ -12,7 +12,7 @@ jobs:
     - name: Setup Ruby
       uses: ruby/setup-ruby@v1
       with:
-        ruby-version: 3.1
+        ruby-version: 3.3
     - name: Ruby deps
       run: gem install json kramdown jekyll bundler
     - name: Setup Python