update validate code accuracy configs

Author: shemogumbe

.github/workflows/build.yml

@@ -12,18 +12,12 @@ jobs:
   validate:
     name: Validate code accuracy
     runs-on: ubuntu-latest
-    timeout-minutes: 40
-    strategy:
-      max-parallel: 5
-      matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Set up Python ${{ matrix.python-version }}
+    steps: 
+      - uses: actions/checkout@v4
+      - name: Set up Python 
         uses: actions/setup-python@v5
         with:
-          python-version: ${{ matrix.python-version }}
+          python-version: '3.12'
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip