Set publish workflow to use python version as a string

Author: hosaka

.github/workflows/publish.yml

@@ -15,9 +15,9 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Set up Python
-      uses: actions/setup-python@v3
+      uses: actions/setup-python@v4
       with:
-        python-version: 3.10
+        python-version: "3.10"
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip