dockerfile name in yml

Author: sandeepgupta12

.github/workflows/ppc64le.yml

@@ -43,7 +43,7 @@ jobs:
       
       - name: Run Docker container and execute build script
         run: |
-          docker run --rm -u $(id -u):$(id -g) -v "$(pwd):/workspace/pytorch/pytorch" pytorch-ppc64le:ubi9.3 bash -c "
+          docker run --rm -u $(id -u):$(id -g) -v "/opt/runner/work/pytorch/pytorch:/workspace/pytorch/pytorch" pytorch-ppc64le:ubi9.3 bash -c "
             export GIT_DISCOVERY_ACROSS_FILESYSTEM=1 &&
             git -C /workspace/pytorch submodule deinit --all --force &&
             git -C /workspace/pytorch submodule update --init --recursive --force &&