feat: ensure Python and pip are installed in the Deploy ARC Runner workflow

Author: joshyorko

.github/workflows/deploy-arc.yaml

@@ -45,6 +45,11 @@ jobs:
         env:
           ARC_PRIVATE_KEY: ${{ secrets.ARC_PRIVATE_KEY }}
 
+      - name: Ensure Python and pip are installed
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y python3 python3-pip
+
       - name: Run install script
         run: |
           chmod +x scripts/install-upgrade-arc.sh