https://github.com/jenkinsci/jenkinsfile-runner/blob/master/Jenkinsfile uses agents with the `docker` label. These agents are permanent agents which do not automatically cleanup workspaces or orchestrate parallel runs. If multiple runs are executed in parallel, it may lead to various workspace collisions.

Acceptance criteria:

• Jenkinsfile is updated to prevent collision of workspaces in parallel builds
• Jenkinsfile automatically cleanups workspaces when the build succeeds or fails during the execution... for all stages utilizing the node