tests: upgrade phpunit schema

Author: albinhallen

phpunit.xml

@@ -1,23 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit
-  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  bootstrap="vendor/autoload.php"
-  backupGlobals="false"
-  backupStaticAttributes="false"
-  colors="true"
-  verbose="true"
-  convertErrorsToExceptions="true"
-  convertNoticesToExceptions="true"
-  convertWarningsToExceptions="true"
-  processIsolation="false"
-  stopOnFailure="false"
-  xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
->
-  <coverage>
-    <include>
-      <directory suffix=".php">src/</directory>
-    </include>
-  </coverage>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" bootstrap="vendor/autoload.php" backupGlobals="false" colors="true" processIsolation="false" stopOnFailure="false" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd" cacheDirectory=".phpunit.cache" backupStaticProperties="false">
   <testsuites>
     <testsuite name="Unit">
       <directory suffix="Test.php">./tests/Unit</directory>
@@ -27,4 +9,9 @@
     <env name="DB_CONNECTION" value="testing"/>
     <env name="APP_KEY" value="base64:2fl+Ktvkfl+Fuz4Qp/A75G2RTiWVA/ZoKZvp6fiiM10="/>
   </php>
-</phpunit>
+  <source>
+    <include>
+      <directory suffix=".php">src/</directory>
+    </include>
+  </source>
+</phpunit>