Add run lifecycle timestamps - improvments (#2601)

Co-authored-by: Shuchang Zheng <wintonzheng0325@gmail.com>

skyvern/services/task_v2_service.py

@@ -1629,6 +1629,9 @@ async def build_task_v2_run_response(task_v2: TaskV2) -> TaskRunResponse:
         status=task_v2.status,
         output=task_v2.output,
         failure_reason=workflow_run_resp.failure_reason if workflow_run_resp else None,
+        queued_at=task_v2.queued_at,
+        started_at=task_v2.started_at,
+        finished_at=task_v2.finished_at,
         created_at=task_v2.created_at,
         modified_at=task_v2.modified_at,
         recording_url=workflow_run_resp.recording_url if workflow_run_resp else None,