docs: update changelog

Author: xrkffgg

CHANGELOG.md

@@ -1,5 +1,13 @@
 # Changelog
 
+## 3.1.3
+
+`2021.01.08`
+
+- fix: add opacity transition. [#96](https://github.com/react-component/progress/pull/96)
+- chore: use github actions. [#97](https://github.com/react-component/progress/pull/97)
+- chore: use dumi. [#98](https://github.com/react-component/progress/pull/98)
+
 ## 3.1.2
 
 `2020.12.29`

README.md

@@ -2,7 +2,7 @@
 
 Progress Bar.
 
-[![NPM version][npm-image]][npm-url] [![build status][github-actions-image]][github-actions-url] [![Test coverage][coveralls-image]][coveralls-url] [![Dependencies][david-image]](david-url) [![DevDependencies][david-dev-image]][david-dev-url] [![npm download][download-image]][download-url] [![bundle size][bundlephobia-image]][bundlephobia-url]
+[![NPM version][npm-image]][npm-url] [![dumi](https://img.shields.io/badge/docs%20by-dumi-blue?style=flat-square)](https://github.com/umijs/dumi) [![build status][github-actions-image]][github-actions-url] [![Test coverage][coveralls-image]][coveralls-url] [![npm download][download-image]][download-url] [![bundle size][bundlephobia-image]][bundlephobia-url]
 
 [npm-image]: http://img.shields.io/npm/v/rc-progress.svg?style=flat-square
 [npm-url]: http://npmjs.org/package/rc-progress