use older python version to keep distutils

.github/workflows/build-python-package.yml

@@ -59,7 +59,7 @@ jobs:
       - uses: actions/setup-python@v2
         name: Install Python
         with:
-          python-version: '3.x'
+          python-version: '3.10'
 
       - name: Build sdist
         run: cd src/runtime/python && python setup.py sdist