curl --request PATCH \
  --url https://api.omi.me/v1/dev/user/action-items/{action_item_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "completed": true,
  "description": "<string>",
  "due_at": "2023-11-07T05:31:56Z"
}
'

{
  "completed": true,
  "description": "<string>",
  "id": "<string>",
  "completed_at": "2023-11-07T05:31:56Z",
  "conversation_id": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "due_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z"
}