message: docs(changelog): 2.2.12
diff: # Changelog
  +### [v2.2.12](https://github.com/youzan/vant/tree/v2.2.12)
  +`2019-11-07`
  +
  +**Features**
  +
  +- Stepper: add name prop [\#4931](https://github.com/youzan/vant/pull/4931)
  +- Uploader: add deletable prop [\#4925](https://github.com/youzan/vant/pull/4925)
  +
  +**Bug Fixes**
  +
  +- fix Sku set min-height for sku body [\#4942](https://github.com/youzan/vant/pull/4942)
  +- fix List may trigger load event repeatedly [\#4953](https://github.com/youzan/vant/pull/4953)
  +- fix can't custom hairline border color [\#4939](https://github.com/youzan/vant/pull/4939)
  +
  +
  ### [v2.2.11](https://github.com/youzan/vant/tree/v2.2.11)
  `2019-11-04`
  