dockerfile name in yml

Author: sandeepgupta12

.github/workflows/ppc64le.yml

@@ -31,7 +31,7 @@ jobs:
       - name: Run Docker container and execute build script
 
         run: |
-            docker run --rm -v "$(pwd):/workspace/pytorch" pytorch-ppc64le:ubi9.3 bash
+            docker run --rm -v "$(pwd):/workspace/pytorch" pytorch-ppc64le:ubi9.3 /ppc64le-build.sh
 
       - name: Archive ppc64le artifacts into zip