chore: update the phpunit config file

Author: inhere

phpunit.xml

@@ -1,21 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
-
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         bootstrap="test/bootstrap.php"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         stopOnFailure="false"
-
->
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" backupGlobals="false" bootstrap="test/bootstrap.php" colors="true"
+         stopOnFailure="false" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.0/phpunit.xsd" cacheDirectory=".phpunit.cache"
+         backupStaticProperties="false">
     <testsuites>
         <testsuite name="Php Library Test Suite">
             <directory>test</directory>
         </testsuite>
     </testsuites>
-
     <coverage>
         <include>
             <directory suffix=".php">src</directory>