Use Python 3.10 for style_checks and publish-to-pypi CI workflows

Author: weiji14

.github/workflows/publish-to-pypi.yml

@@ -31,7 +31,7 @@ jobs:
     - name: Set up Python
       uses: actions/[email protected]
       with:
-        python-version: 3.9
+        python-version: '3.10'
 
     - name: Install dependencies
       run: python -m pip install setuptools wheel

.github/workflows/style_checks.yaml

@@ -22,7 +22,7 @@ jobs:
       - name: Set up Python
         uses: actions/[email protected]
         with:
-          python-version: 3.9
+          python-version: '3.10'
 
       - name: Install packages
         run: |