Fix version of python in workflow (#13287)

Author: kruall

.github/workflows/update_dstool_package.yaml

@@ -19,7 +19,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.7.13'
+          python-version: '3.8.12'
 
       - name: Install dependencies
         run: |