message: docs(changelog): 3.0.8
diff: @@ -16,6 +16,29 @@ Vant follows [Semantic Versioning 2.0.0](https://semver.org/lang/zh-CN/).
  ## Details
  +### [v3.0.8](https://github.com/youzan/vant/compare/v3.0.7...v3.0.8)
  +
  +`2021-03-07`
  +
  +**Types**
  +
  +- Build types from source code [#8264](https://github.com/youzan/vant/issues/8264)
  +
  +**Feature**
  +
  +- ImagePreview: add overlay-style prop [#8276](https://github.com/youzan/vant/issues/8276)
  +- ImagePreview: add transition prop [#8275](https://github.com/youzan/vant/issues/8275)
  +- Locale: add th-TH lang [#8297](https://github.com/youzan/vant/issues/8297)
  +- PullRefresh: add pull-distance prop [#8280](https://github.com/youzan/vant/issues/8280)
  +- Button: add some less vars [#8281](https://github.com/youzan/vant/issues/8281)
  +
  +**Bug Fixes**
  +
  +- ImagePreview: add test cases [#8282](https://github.com/youzan/vant/issues/8282)
  +- ActionSheet: should not reopen when closed [#8272](https://github.com/youzan/vant/issues/8272)
  +- Stepper: incorrect text color in iOS14 when disabled [#8277](https://github.com/youzan/vant/issues/8277)
  +- Swipe: should render dynamic swipe item correctly [#8288](https://github.com/youzan/vant/issues/8288)
  +
  ### [v3.0.7](https://github.com/youzan/vant/compare/v3.0.6...v3.0.7)
  `2021-02-28`
  