Update badges

Author: puzrin

README.md

@@ -3,8 +3,7 @@ linkify-it
 
 [![CI](https://github.com/markdown-it/linkify-it/actions/workflows/ci.yml/badge.svg)](https://github.com/markdown-it/linkify-it/actions/workflows/ci.yml)
 [![NPM version](https://img.shields.io/npm/v/linkify-it.svg?style=flat)](https://www.npmjs.org/package/linkify-it)
-[![Coverage Status](https://img.shields.io/coveralls/markdown-it/linkify-it/master.svg?style=flat)](https://coveralls.io/r/markdown-it/linkify-it?branch=master)
-[![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/markdown-it/linkify-it)
+[![Coverage Status](https://coveralls.io/repos/github/markdown-it/linkify-it/badge.svg?branch=master)](https://coveralls.io/github/markdown-it/linkify-it?branch=master)
 
 > Links recognition library with FULL unicode support.
 > Focused on high quality link patterns detection in plain text.