Update badges

Author: sebastianbergmann

README.md

@@ -1,4 +1,7 @@
-[![Build Status](https://travis-ci.org/sebastianbergmann/php-file-iterator.svg?branch=master)](https://travis-ci.org/sebastianbergmann/php-file-iterator)
+[![Latest Stable Version](https://poser.pugx.org/phpunit/php-file-iterator/v/stable.png)](https://packagist.org/packages/phpunit/php-file-iterator)
+[![CI Status](https://github.com/sebastianbergmann/php-file-iterator/workflows/CI/badge.svg)](https://github.com/sebastianbergmann/php-file-iterator/actions)
+[![Type Coverage](https://shepherd.dev/github/sebastianbergmann/php-file-iterator/coverage.svg)](https://shepherd.dev/github/sebastianbergmann/php-file-iterator)
+[![codecov](https://codecov.io/gh/sebastianbergmann/php-file-iterator/branch/main/graph/badge.svg)](https://codecov.io/gh/sebastianbergmann/php-file-iterator)
 
 # php-file-iterator