chore: Update Python version in CI/CD workflow to support multiple ve…

…rsions 3.9 and above

.github/workflows/python-cicd-units.yml

@@ -6,12 +6,16 @@ jobs:
   build:
     runs-on: ubuntu-latest
 
+    strategy:
+      matrix:
+        python-version: [3.9, 3.10, 3.11, 3.12]
+
     steps:
       - uses: actions/checkout@v2
-      - name: Set up Python 3.12
+      - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v2
         with:
-          python-version: "3.12"
+          python-version: ${{ matrix.python-version }
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip