Change gzip size to use latest version

Author: styfle

README.md

@@ -5,7 +5,7 @@
 # Marked
 
 [![npm](https://img.shields.io/npm/v/marked.svg)](https://www.npmjs.com/package/marked)
-[![gzip size](http://img.badgesize.io/https://cdn.jsdelivr.net/npm/marked@0.3.19/marked.min.js?compression=gzip)](https://cdn.jsdelivr.net/npm/marked@0.3.19/marked.min.js)
+[![gzip size](http://img.badgesize.io/https://cdn.jsdelivr.net/npm/marked/marked.min.js?compression=gzip)](https://cdn.jsdelivr.net/npm/marked/marked.min.js)
 [![install size](https://packagephobia.now.sh/badge?p=marked)](https://packagephobia.now.sh/result?p=marked)
 [![downloads](https://img.shields.io/npm/dt/marked.svg)](https://www.npmjs.com/package/marked)
 [![travis](https://travis-ci.org/markedjs/marked.svg?branch=master)](https://travis-ci.org/markedjs/marked)