Use the alredy-installed Ruby to avoid cycle when adding a new platform

Author: eregon

.github/workflows/build.yml

@@ -97,10 +97,10 @@ jobs:
         platform=${platform/%.04-arm/.04-arm64}
         echo "platform=$platform" >> $GITHUB_OUTPUT
     # Build
-    - name: Setup system ruby
-      uses: ruby/setup-ruby@master
-      with:
-        ruby-version: 3.2
+    # - name: Setup system ruby
+    #   uses: ruby/setup-ruby@master
+    #   with:
+    #     ruby-version: 3.2
     - name: Setup system python
       uses: actions/setup-python@v6
       with: