Update README.md

Author: sualko

README.md

@@ -5,7 +5,7 @@ developers to use [BigBlueButton API] v2.2 for **PHP 7.2+**.
 
 ![Build Status](https://github.com/littleredbutton/bigbluebutton-api-php/workflows/CI/badge.svg)
 [![Coverage Status](https://coveralls.io/repos/github/littleredbutton/bigbluebutton-api-php/badge.svg?branch=master)](https://coveralls.io/github/littleredbutton/bigbluebutton-api-php?branch=master)
-![PHP from Travis config](https://img.shields.io/travis/php-v/littleredbutton/bigbluebutton-api-php.svg)
+![PHP from Packagist](https://img.shields.io/packagist/php-v/littleredbutton/bigbluebutton-api-php)
 <!-- [![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/littleredbutton/bigbluebutton-api-php/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/littleredbutton/bigbluebutton-api-php/?branch=master) -->
 
 **This API uses BigBlueButton and is not endorsed or certified by BigBlueButton