[Feature][Workflow Relations] Add Support for SubProcesses in Workflow Relations to Capture Data Task Lineage

[himper]

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Description

Currently, the system lacks support for capturing data task lineage in workflow relations when using SubProcesses. This limitation hinders the ability to accurately represent the lineage and dependencies between data tasks within a workflow. It is important to address this issue to maintain a comprehensive and accurate understanding of data flows.

Use case

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Related issues

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• [ ] Yes I am willing to submit a PR!

Code of Conduct

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