message: docs(changelog): 2.3.0-beta.5
diff: # Changelog
  +### [v2.3.0-beta.5](https://github.com/youzan/vant/tree/v2.3.0-beta.5)
  +`2019-12-16`
  +
  +**Features**
  +
  +- Tab: add dot prop [\#5272](https://github.com/youzan/vant/pull/5272)
  +- Tab: add info prop [\#5274](https://github.com/youzan/vant/pull/5274)
  +- Tab: add scrollspy prop [\#5273](https://github.com/youzan/vant/pull/5273)
  +- Checkbox: improve toggleAll perf [\#5285](https://github.com/youzan/vant/pull/5285)
  +
  +**Bug Fixes**
  +
  +- fix Popup should reopen when activated [\#5286](https://github.com/youzan/vant/pull/5286)
  +
  +
  ### [v2.3.0-beta.4](https://github.com/youzan/vant/tree/v2.3.0-beta.4)
  `2019-12-13`
  