[BUG] Cancel trigger.dev job on unassign

[jobenjada]

Issue Summary

Steps to Reproduce

1. (for example) Went to ...
2. Clicked on...
3. ...

Expected behavior

cancel the job if user got unassigned

Other information

No response

Screenshots

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Desktop (please complete the following information)

- OS:
- Node:
- npm:

[sank8-2]

/assign

[oss-gg]

This issue is not part of oss.gg hackathon. Please pick a different one or start with a side quest