Fix macOS bazel build

[anakinxc]

What problem does this PR solve?

Issue Number:

Problem Summary:

#2306 introduced a new include in butil/macros.h, this dependency is missing in bazel macos_lib rule.

What is changed and the side effects?

Changed:

• Added butil/string_printf.h to macos_lib header list.

Side effects:

• Performance effects(性能影响):
  n/a
• Breaking backward compatibility(向后兼容性):
  n/a

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Check List:

• Please make sure your changes are compilable(请确保你的更改可以通过编译).
• When providing us with a new feature, it is best to add related tests(如果你向我们增加一个新的功能, 请添加相关测试).
• Please follow Contributor Covenant Code of Conduct.(请遵循贡献者准则).

[serverglen]

LGTM

[chenBright]

LGTM