using build.sh to build image

Author: sandeepgupta12

.github/workflows/ppc64le.yml

@@ -13,7 +13,7 @@ concurrency:
 jobs:
   linux-ppc64le-docker-image-build:
     name: Build docker image for ppc64le
-    runs-on: ubuntu-24.04-ppc64le-p10
+    runs-on: ubuntu-24.04-ppc64le
     steps:
       - name: Checkout PyTorch
         uses: pytorch/pytorch/.github/actions/checkout-pytorch@main