chore: 4.0.1 changelog [ci skip]

Author: haoqunjiang

CHANGELOG.md

@@ -1,6 +1,9 @@
+## 4.0.1 (2019-10-16)
 
+#### :bug: Bug Fix
 
-
+* `@vue/cli-plugin-eslint`, `@vue/cli-plugin-router`, `@vue/cli-plugin-vuex`, `@vue/cli-service-global`, `@vue/cli-ui-addon-webpack`, `@vue/cli-ui-addon-widgets`, `@vue/cli-ui`, `@vue/cli`
+  * [fec160f](https://github.com/vuejs/vue-cli/commit/fec160ff964964bc71aa857d21d0614284fa2fdb) fix: no need to assertCliVersion. avoid breaking old versions  ([@sodatea](https://github.com/sodatea))
 
 
 ## 4.0.0 (2019-10-16)