Remove Ruby and Bundler dependencies from workflow and documentation

.github/workflows/test.yml

@@ -27,13 +27,6 @@ jobs:
         with:
           version: 8
 
-      - name: Set up Ruby
-        uses: ruby/setup-ruby@v1
-        with:
-          ruby-version: 3.2
-          bundler-cache: true
-
-      - run: ruby --version
       - run: node --version
 
       - name: Install pnpm dependencies