Use PHPStan 2.x for the integration testing

Author: shochdoerfer

magento/composer.json

@@ -57,8 +57,8 @@
         "magento/magento2-functional-testing-framework": "^3.7",
         "pdepend/pdepend": "~2.10.0",
         "phpmd/phpmd": "^2.12.0",
-        "phpstan/extension-installer": "^1.1",
-        "phpstan/phpstan": "^1.8",
+        "phpstan/extension-installer": "^1.4",
+        "phpstan/phpstan": "^2.0",
         "phpunit/phpunit": "~9.5.20",
         "sebastian/phpcpd": "^6.0.3",
         "squizlabs/php_codesniffer": "~3.6.0",

src/BitExpert_PHPStanTests/Setup/Patch/Data/Patch1.php

@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BitExpert\PHPStanTests\Setup\Patch\Data;
+
+use Magento\Framework\Setup\Patch\DataPatchInterface;
+
+class Patch1 implements DataPatchInterface
+{
+    public function apply(): self
+    {
+        return $this;
+    }
+
+    public static function getDependencies()
+    {
+        return [];
+    }
+
+    public function getAliases()
+    {
+        return [];
+    }
+}

src/BitExpert_PHPStanTests/Setup/Patch/Data/Patch2.php

@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BitExpert\PHPStanTests\Setup\Patch\Data;
+
+use Magento\Framework\Setup\Patch\DataPatchInterface;
+
+class Patch2 implements DataPatchInterface
+{
+    public function apply(): self
+    {
+        return $this;
+    }
+
+    public static function getDependencies()
+    {
+        return [
+            Patch1::class,
+        ];
+    }
+
+    public function getAliases()
+    {
+        return [];
+    }
+}

src/BitExpert_PHPStanTests/composer.json

@@ -27,8 +27,8 @@
     }
   },
   "require-dev": {
-    "phpstan/phpstan": "^1.8",
-    "phpstan/extension-installer": "^1.1",
+    "phpstan/phpstan": "^2.0",
+    "phpstan/extension-installer": "^1.4",
     "bitexpert/phpstan-magento": "dev-master"
   }
 }