Fix Python version for GitHub Action

Author: imrehg

.github/workflows/python.yaml

@@ -64,7 +64,7 @@ jobs:
       - name: Set up Python 3.10
         uses: actions/setup-python@v1
         with:
-          python-version: 3.10
+          python-version: '3.10'
 
       - name: Publish
         run: |