message: [changelog] 2.0.6
diff: # Changelog
  +### [v2.0.6](https://github.com/youzan/vant/tree/v2.0.6)
  +`2019-07-05`
  +
  +**Improvements**
  +
  +- add Divider component [\#3755](https://github.com/youzan/vant/pull/3755)
  +- Tab: add name prop [\#3762](https://github.com/youzan/vant/pull/3762)
  +- Sku: add add-cart-text prop [\#3725](https://github.com/youzan/vant/pull/3725)
  +
  +**Bug Fixes**
  +
  +- fix Swipe fix blank area when use width prop [\#3751](https://github.com/youzan/vant/pull/3751)
  +- fix Grid gutter can be string type [\#3741](https://github.com/youzan/vant/pull/3741)
  +- fix Collapse use double raf to ensure animation can start [\#3723](https://github.com/youzan/vant/pull/3723)
  +- fix PullRefresh ensure value change can be watched [\#3719](https://github.com/youzan/vant/pull/3719)
  +
  +
  ### [v2.0.5](https://github.com/youzan/vant/tree/v2.0.5)
  `2019-07-02`
  