Upgrade phpunit.xml.dist

Author: discordier

phpunit.xml.dist

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- https://phpunit.de/manual/current/en/appendixes.configuration.html -->
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/9.0/phpunit.xsd"
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
          colors="true"
          forceCoversAnnotation="true"
          failOnRisky="true"
@@ -17,9 +17,4 @@
             <directory>./tests</directory>
         </testsuite>
     </testsuites>
-    <filter>
-        <whitelist>
-            <directory>./src</directory>
-        </whitelist>
-    </filter>
 </phpunit>