请问 ETCD 的验证方式支持吗？

[flydo]

Is your feature request related to a problem? Please describe.

Describe the solution you'd like

当 ETCD 开启了用户名和密码验证时，如何使用？Kitex 的方案带验证的功能，Hertz 这边我查了下，没有找到相关的方案。

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Additional context

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[li-jin-gou]

It doesn't look supported, would you like to submit a PR?

[L2ncE]

Update to latest version, use etcd.WithAuthOpt(username, password)