Merge branch '6.3' into 6.4

* 6.3:
  [DoctrineBridge] Silence ORM deprecation
  add missing default-doctrine-dbal-provider cache pool attribute to XSD

Author: nicolas-grekas

Tests/DoctrineTestHelper.php

@@ -62,6 +62,10 @@ public static function createTestConfiguration(): Configuration
             $config->setSchemaManagerFactory(new DefaultSchemaManagerFactory());
         }
 
+        if (method_exists(Configuration::class, 'setLazyGhostObjectEnabled')) {
+            $config->setLazyGhostObjectEnabled(true);
+        }
+
         return $config;
     }