Fix stacktrace sidecar container yaml

[SurbhiJainUSC]

Fixes / Features

• Recent Pathways integration and GPU support broke the yaml for stack trace sidecar due to which the workloads were not able to schedule with --deploy-stacktrace-sidecar argument. This PR fixes the yaml.
• Also, this PR fixes the issue with sidecar container not getting completed even when main container finishes the execution.

Testing / Documentation

Testing details.

• [ y ] Tests pass
• [ n/a ] Appropriate changes to documentation are included in the PR