Optimize the s3 retry strategy for use exponential backoff

[wuhongsong]

Is your feature request related to a problem? (你需要的功能是否与某个问题有关?)

Describe the solution you'd like (描述你期望的解决方法)

Describe alternatives you've considered (描述你想到的折衷方案)

Additional context/screenshots (更多上下文/截图)

[wuhongsong]

https://github.com/opencurve/curve/pull/2703

[montaguelhz]

According to aws documentation, the current default retry strategy is exponential backoff.