PHPUnit version bump >=9.3.9

.gitignore

@@ -1,4 +1,5 @@
 .idea
 vendor/
 bin/
-composer.lock
+composer.lock
+.phpunit.result.cache

composer.json

@@ -15,7 +15,7 @@
     "symfony/validator": ">=6.1"
   },
   "require-dev": {
-    "phpunit/phpunit": "9.1.2",
+    "phpunit/phpunit": ">=9.3.9",
     "symfony/phpunit-bridge": ">=6.1"
   },
   "autoload": {

phpunit.xml.dist

@@ -1,21 +1,23 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit backupGlobals="false"
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         backupGlobals="false"
          backupStaticAttributes="false"
          colors="true"
          verbose="true"
          convertErrorsToExceptions="true"
          convertNoticesToExceptions="true"
          convertWarningsToExceptions="true"
          processIsolation="false"
-         stopOnFailure="false">
-    <testsuites>
-        <testsuite name="Test Suite">
-            <directory>tests</directory>
-        </testsuite>
-    </testsuites>
-    <filter>
-        <whitelist>
-            <directory suffix=".php">src/</directory>
-        </whitelist>
-    </filter>
-</phpunit>
+         stopOnFailure="false"
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
+  <coverage>
+    <include>
+      <directory suffix=".php">src/</directory>
+    </include>
+  </coverage>
+  <testsuites>
+    <testsuite name="Test Suite">
+      <directory>tests</directory>
+    </testsuite>
+  </testsuites>
+</phpunit>