manylinux image build

Author: sandeepgupta12

.github/workflows/_linux-build.yml

@@ -258,7 +258,9 @@ jobs:
             --cap-add=SYS_PTRACE \
             --tty \
             ${JENKINS_USER} \
-          -v ${GITHUB_WORKSPACE}:/workspace/pytorch pytorch/ubippc64le-builder:cpu-ppc64le-main /workspace/pytorch/.ci/pytorch/build.sh
+            -v "${GITHUB_WORKSPACE}:/var/lib/jenkins/workspace" \
+            -w /var/lib/jenkins/workspace \
+           pytorch/ubippc64le-builder:cpu-ppc64le-main /workspace/pytorch/.ci/pytorch/build.sh
       
           END_TIME=$(date +%s)
           echo "build_time=$((END_TIME - START_TIME))" >> "$GITHUB_OUTPUT"