refac: migrate phpunit.dist.xml and fix max deprecation setting

Author: gimler

phpunit.xml.dist

@@ -1,38 +1,25 @@
 <?xml version="1.0" encoding="UTF-8"?>
-
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="false"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         bootstrap="./vendor/autoload.php"
-        >
-    <php>
-        <env name="ENV" value="test" />
-        <env name="SYMFONY_DEPRECATIONS_HELPER" value="max[direct]=29&amp;verbose=1" />
-        <env name="KERNEL_CLASS" value="Nyholm\BundleTest\TestKernel" />
-    </php>
-
-    <listeners>
-        <listener class="Symfony\Bridge\PhpUnit\SymfonyTestsListener"/>
-    </listeners>
-
-    <testsuites>
-        <testsuite name="Test Suite">
-            <directory>./Tests</directory>
-        </testsuite>
-    </testsuites>
-
-    <filter>
-        <whitelist>
-            <directory suffix=".php">./</directory>
-            <exclude>
-                <directory>vendor</directory>
-                <directory>Tests</directory>
-            </exclude>
-        </whitelist>
-    </filter>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" backupGlobals="false" backupStaticAttributes="false" colors="false" convertErrorsToExceptions="true" convertNoticesToExceptions="true" convertWarningsToExceptions="true" processIsolation="false" stopOnFailure="false" bootstrap="./vendor/autoload.php" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
+  <coverage>
+    <include>
+      <directory suffix=".php">./</directory>
+    </include>
+    <exclude>
+      <directory>vendor</directory>
+      <directory>Tests</directory>
+    </exclude>
+  </coverage>
+  <php>
+    <env name="ENV" value="test"/>
+    <env name="SYMFONY_DEPRECATIONS_HELPER" value="max[direct]=84&amp;max[self]=1&amp;verbose=1"/>
+    <env name="KERNEL_CLASS" value="Nyholm\BundleTest\TestKernel"/>
+  </php>
+  <listeners>
+    <listener class="Symfony\Bridge\PhpUnit\SymfonyTestsListener"/>
+  </listeners>
+  <testsuites>
+    <testsuite name="Test Suite">
+      <directory>./Tests</directory>
+    </testsuite>
+  </testsuites>
 </phpunit>