Add python3.12 to test workflow

.github/workflows/test.yml

@@ -20,14 +20,16 @@ jobs:
     steps:
       - name: Check out repository code
         uses: actions/checkout@v4
-      - name: Set up Python 3.11
+      - name: Set up Python 3.12
         uses: actions/setup-python@v3
         with:
-          python-version: "3.11"
+          python-version: "3.12"
       - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip
+          python3.12 -m venv .venv
+          source .venv/bin/activate
+          python3.12 -m pip install --upgrade pip
           pip install pytest
       - name: Test with pytest
         run: |
-          python3.11 -m pytest
+          python3.12 -m pytest