job_kind name consistent

[himadrisingh]

matching

{
  "caller": "jobexecutor/job_executor.go:341",
  "level": "error",
  "job_id": 69807,
  "error": "failed to delete github ",
  "job_kind": "delete_unused_github_repos",
  "ts": "2025-12-04T00:00:17.869Z"
}

Checklist:

• [ ] Covered by tests
• [ ] Ran it and it works as intended
• [ ] Reviewed the diff before requesting a review
• [ ] Checked for unhandled edge cases
• [ ] Linked the issues it closes
• [ ] Checked if the docs need to be updated. If so, create a separate Linear DOCS issue
• [ ] Intend to cherry-pick into the release branch
• [ ] I'm proud of this work!