message: docs(changelog): 3.1.5
diff: @@ -16,6 +16,26 @@ Vant follows [Semantic Versioning 2.0.0](https://semver.org/lang/zh-CN/).
  ## Details
  +### [v3.1.5](https://github.com/youzan/vant/compare/v3.1.4...v3.1.5)
  +
  +`2021-07-26`
  +
  +**Feature**
  +
  +- AddressEdit: add address-edit-button-font-size var [#9113](https://github.com/youzan/vant/issues/9113)
  +- Icon: add shield-o icon [#9082](https://github.com/youzan/vant/issues/9082)
  +- Locale: add Russian language [#9088](https://github.com/youzan/vant/issues/9088)
  +- Toast: improve unclickable cursor [#9116](https://github.com/youzan/vant/issues/9116)
  +- Uploader: add click-upload event [#9119](https://github.com/youzan/vant/issues/9119)
  +- Uploader: add readonly prop [#9118](https://github.com/youzan/vant/issues/9118)
  +
  +**Bug Fixes**
  +
  +- Icon: fix invitation typo [#9096](https://github.com/youzan/vant/issues/9096)
  +- NumberKeyboard: should not emit close event when click away [#9108](https://github.com/youzan/vant/issues/9108)
  +- Search: fix incorrect left icon color [#9100](https://github.com/youzan/vant/issues/9100)
  +- Tabbar: fix tabbar-item-icon-margin-bottom var name [#9101](https://github.com/youzan/vant/issues/9101)
  +
  ### [v3.1.4](https://github.com/youzan/vant/compare/v3.1.3...v3.1.4)
  `2021-07-19`
  