dockerfile name in yml

Author: sandeepgupta12

.github/workflows/ppc64le.yml

@@ -40,7 +40,8 @@ jobs:
             ls -ld /workspace/pytorch/.git;
             whoami"
         
-      - run: echo "Runner workspace: ${{ github.workspace }}"
+      - run: echo "Runner workspace ${{ github.workspace }}"
+
       - name: Run Docker container and execute build script
         run: |
           docker run --rm -u $(id -u):$(id -g) -v "${{ github.workspace }}:/workspace/pytorch/pytorch" pytorch-ppc64le:ubi9.3 bash -c "