Update build.yml to fix the python version 3.8 for now

Author: NadeemYaseen

.github/workflows/build.yml

@@ -41,6 +41,11 @@ jobs:
           fetch-depth: 0
           submodules: true
 
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.8
+
       - name: Checkout submodule
         run: |
           make checkout