DevKit updates for 4.x branch (#913)

* DevKit updates

* Fix rector

---------

Co-authored-by: Jordi Sala Morales <jordism91@gmail.com>

Author: SonataCI

phpstan.neon.dist

@@ -20,3 +20,9 @@ parameters:
     checkMissingVarTagTypehint: true
     checkMissingTypehints: true
     checkUninitializedProperties: true
+    featureToggles:
+        skipCheckGenericClasses:
+            - Symfony\Component\Form\AbstractType
+            - Symfony\Component\Form\FormInterface
+            - Symfony\Component\Form\FormTypeExtensionInterface
+            - Symfony\Component\Form\FormTypeInterface

tests/Functional/Admin/CategoryAdminTest.php

@@ -147,7 +147,7 @@ private function countCategories(): int
     {
         // TODO: Simplify this when dropping support for Symfony 4.
         // @phpstan-ignore-next-line
-        $container = method_exists(static::class, 'getContainer') ? static::getContainer() : static::$container;
+        $container = method_exists(self::class, 'getContainer') ? static::getContainer() : static::$container;
         $manager = $container->get('doctrine.orm.entity_manager');
         \assert($manager instanceof EntityManagerInterface);