Replace Psalm-badge with PHPstan

README.md

@@ -3,7 +3,6 @@
 ![CI](https://github.com/simplesamlphp/xml-cas/actions/workflows/php.yml/badge.svg)
 [![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/simplesamlphp/xml-cas/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/simplesamlphp/xml-cas/?branch=master)
 [![Coverage Status](https://codecov.io/gh/simplesamlphp/xml-cas/branch/master/graph/badge.svg)](https://codecov.io/gh/simplesamlphp/xml-cas)
-[![Type coverage](https://shepherd.dev/github/simplesamlphp/xml-cas/coverage.svg)](https://shepherd.dev/github/simplesamlphp/xml-cas)
-[![Psalm Level](https://shepherd.dev/github/simplesamlphp/xml-cas/level.svg)](https://shepherd.dev/github/simplesamlphp/xml-cas)
+[![PHPStan Enabled](https://img.shields.io/badge/PHPStan-enabled-brightgreen.svg?style=flat)](https://github.com/simplesamlphp/xml-common)
 
 SimpleSAMLphp low-level CAS 3.0 PHP library