tests: upgrade to PHPUnit 11

Author: lindyhopchris

.gitignore

@@ -1,3 +1,3 @@
 vendor/
 composer.lock
-.phpunit.result.cache
+.phpunit.cache/

composer.json

@@ -21,7 +21,7 @@
         "ext-json": "*"
     },
     "require-dev": {
-        "phpunit/phpunit": "^9.0",
+        "phpunit/phpunit": "^11.5",
         "phpstan/phpstan": "^2.1",
         "laravel/pint": "^1.22"
     },
@@ -50,7 +50,7 @@
     "prefer-stable": true,
     "extra": {
         "branch-alias": {
-            "dev-develop": "2.x-dev"
+            "dev-develop": "3.x-dev"
         }
     }
 }

phpunit.xml

@@ -1,20 +1,15 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          backupGlobals="false"
-         backupStaticAttributes="false"
          beStrictAboutTestsThatDoNotTestAnything="false"
          bootstrap="vendor/autoload.php"
          colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         convertDeprecationsToExceptions="true"
          processIsolation="false"
          stopOnError="false"
          stopOnFailure="false"
-         verbose="true"
-         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
->
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
+         cacheDirectory=".phpunit.cache"
+         backupStaticProperties="false">
     <testsuites>
         <testsuite name="Unit">
             <directory>./tests/Unit/</directory>