fix: browser build

Author: Guillaume Chau

build/rollup.config.browser.js

@@ -1,5 +1,5 @@
 import base from './rollup.config.base'
-import uglify from 'rollup-plugin-uglify'
+import { uglify } from 'rollup-plugin-uglify'
 import { minify } from 'uglify-es'
 
 const config = Object.assign({}, base, {