ci: quote python version as 3.10 could become 3.1 otherwise

Author: consideRatio

.github/workflows/test.yml

@@ -53,7 +53,7 @@ jobs:
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v3
         with:
-          python-version: ${{ matrix.python-version }}
+          python-version: "${{ matrix.python-version }}"
 
       - name: Install dependencies
         run: |