Update GitHub Actions workflow for Python setup

Author: v-gowridurgad

.github/workflows/testing1309.yml

@@ -1,29 +1,42 @@
-
 name: Testing-1087
 
-
 on:
   workflow_dispatch:
 
 jobs:
   ubuntu-24-python38:
     name: Ubuntu 24.04 / Python 3.8
     runs-on: self-hosted
+    container: ubuntu:24.04        
     steps:
+      - name: Install prerequisites
+        run: |
+          apt-get update
+          apt-get install -y --no-install-recommends ca-certificates curl git sudo
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
           python-version: '3.8'
 
+      - name: Upgrade pip
+        run: python -m pip install --upgrade pip
+
   ubuntu-20-python38:
     name: Ubuntu 20.04 / Python 3.8
     needs: ubuntu-24-python38
     runs-on: self-hosted
+    container: ubuntu:20.04        
     steps:
+      - name: Install prerequisites
+        run: |
+          apt-get update
+          apt-get install -y --no-install-recommends ca-certificates curl git sudo
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
           python-version: '3.8'
 
       - name: Upgrade pip
-        run: python -m pip install --upgrade pip
+        run: python -m pip install --upgrade pip