Merge pull request #53 from hmorimitsu/update

Fix python version in publish_pypi

Author: hmorimitsu

.github/workflows/publish_pypi.yml

@@ -22,7 +22,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v4
       with:
-        python-version: '3.x'
+        python-version: '3.10'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip