Workflows: Run pylint on a matrix of OSes and versions

.github/workflows/checks.yml

@@ -22,13 +22,17 @@ on:
 
 jobs:
   pylint:
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        os: [macos-latest, windows-latest, ubuntu-latest]
+        version: [3.9, 3.10, 3.11, 3.12]
+    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v3
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.9'
+          python-version: ${{ matris.version }}
       - name: Install dependencies
         run: |
           python3 -m pip install --upgrade pip