@ionic/cli uses deprecated version of superagent@5.3.1

When installing the latest @ionic/cli there is a below warning:
_npm WARN deprecated superagent@5.3.1: Please upgrade to v7.0.2+ of superagent. We have fixed numerous issues with streams, form-data, attach(), filesystem errors not bubbling up (ENOENT on attach()), and all tests are now passing. See the releases tab for more information at ._

Here is the related issue https://github.com/ionic-team/ionic-cli/issues/4782

該 issue 提到了 @ionic/cli 和 superagent 相依項，但沒有指定原始檔或測試。先找出相依項宣告和相關的 issue 4782，接著確認安裝最新 CLI 時不再回報 superagent 已棄用的警告，並確認該相依項為 v7.0.2 或更新版本。

由索引模型根據 Issue 內容生成。