Update to Python 3.10 #2

.github/workflows/main.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Setup Python 3.10
         uses: actions/setup-python@v2
         with:
-          python-version: 3.10
+          python-version: '3.10'
 
       - name: Install dependencies
         run: |