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## 2.2.5

**`(fix):`** 将 Basic Auth 凭据连接到 Authorization 标头。之前，
生成的客户端接受用户名/密码构造函数参数，
但从不在传出请求上设置 `Authorization: Basic <base64>` 标头。
构造函数现在自动编码凭据并添加标头。