Update cmp-test.yml

.github/workflows/cmp-test.yml

@@ -15,21 +15,19 @@ on:
         branches: [main]
 
 jobs:
-  core_base_build:
-    runs-on: ubuntu-latest
+  cmp_core_base_build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        python-version: [ 3.11, 3.12 ]
+        os: [ ubuntu-latest ]
     steps:
       - name: Checkout CMP code
         uses: actions/checkout@v4
       - name: Setup Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
-           python-version: 3.11
-      - name: Install flake8
-        run: |
-              pip install flake8
-      - name: Install black
-        run: |
-              pip install black
+            python-version: ${{ matrix.python-version }}
       - name: Install requirements
         run: |
             pip install -r requirements.txt
@@ -60,4 +58,3 @@ jobs:
             name: coverage-report
             path: |
               coverage.xml
-