updated dockerfile

Author: sandeepgupta12

.github/workflows/ppc64le.yml

@@ -26,5 +26,5 @@ jobs:
 
       - name: Run Docker container and execute build script
         run: |
-          docker run --rm pytorch-ppc64le:ubi9.3 /workspace/.github/scripts/ppc64le-build.sh
+          docker run --rm pytorch-ppc64le:ubi9.3 /ppc64le-build.sh