bump publish workflow to 3.10

Author: kandersolar

.github/workflows/publish.yml

@@ -23,7 +23,7 @@ jobs:
       uses: actions/setup-python@v5
       with:
         # Python version should be the minimum supported version
-        python-version: "3.9"
+        python-version: "3.10"
 
     - name: Install build tools
       run: |