update setup-python version (#29)

melpazoid.yml

@@ -10,10 +10,11 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - name: Set up Python 3.9
-      uses: actions/setup-python@v1
-      with: { python-version: 3.9 }
+    - uses: actions/checkout@v3
+    - name: Set up Python 3.10
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.10'
     - name: Install
       run: |
         python -m pip install --upgrade pip