Qianfan

Feature：
- 增加ChatCompletion，Completion对于[ERNIE-Bot-4](https://cloud.baidu.com/doc/WENXINWORKSHOP/s/clntwmv7t)的支持，通过`model=ERNIE-Bot-4`进行调用
- `qianfan` SDK正式开源
- 增加对 `模型管理` API 支持（`qianfan.Model`）
- 增加对 `模型服务发布` API支持 （`qianfan.Service`）
- 开放[SDK API接口文档](https://qianfan.readthedocs.io/en/stable/qianfan.html)

Bug修复：
- 修复同时使用model，endpoint导致的模型使用错误的问题

优化：
- 增加 `模型SFT调优` 任务控制支持
- 限流接口优化，支持传入QPS限制配置

What's Changed
Release note (789)

**Full Changelog**: https://github.com/baidubce/bce-qianfan-sdk/compare/py/v0.4.12.1...go/qianfan/v0.0.14

What's Changed
Release note (789)

**Full Changelog**: https://github.com/baidubce/bce-qianfan-sdk/compare/py/v0.4.11...go/qianfan/v0.0.13

What's Changed
Release note (789)

**Full Changelog**: https://github.com/baidubce/bce-qianfan-sdk/compare/py/v0.4.7...go/qianfan/v0.0.12

What's Changed
Release note (735)

**Full Changelog**: https://github.com/baidubce/bce-qianfan-sdk/compare/go/v0.0.10...go/qianfan/v0.0.11

What's Changed
Release note (524)

**Full Changelog**: https://github.com/baidubce/bce-qianfan-sdk/compare/js/v0.0.11-alpha.2...js/v0.0.11-alpha.3