whoops, not a decimal number

action.yml

@@ -17,7 +17,7 @@ runs:
   - name: Set up Python ${{ inputs.python-version }}
     uses: actions/setup-python@v5
     with:
-      python-version: 3.10
+      python-version: '3.10'
       cache: pip
     #  - name: Update pip
     #    run: python -m pip install --upgrade pip setuptools