DevOps: Update GitHub CI

.github/workflows/ci.yml

@@ -7,10 +7,10 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
 
       - name: Set up Python 3.8
-        uses: actions/setup-python@v1
+        uses: actions/setup-python@v2
         with:
           python-version: 3.8
 
@@ -26,14 +26,17 @@ jobs:
 
   tests:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
 
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
 
-      - name: Set up Python 3.8
-        uses: actions/setup-python@v1
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
         with:
-          python-version: 3.8
+          python-version: ${{ matrix.python-version }}
 
       - name: Install python dependencies
         run: |