Update cibw-cc.yaml

Author: henryiii

.github/workflows/cibw-cc.yaml

@@ -37,7 +37,7 @@ jobs:
     - uses: pypa/cibuildwheel@v3.1
       env:
         CIBW_PLATFORM: ${{ matrix.platform }}
-        CIBW_ARCHS: ${{ matrix.archs }}
+        CIBW_ARCHS: ${{ matrix.archs || 'auto' }}
 
     - uses: actions/upload-artifact@v4
       with: