Merge branch '6.3' into 6.4

* 6.3:
  [PhpUnitBridge] Ignore deprecations about the annotation mapping driver when it's not possible to move to the attribute driver yet
  [SecurityBundle] Mark SignatureAlgorithmFactory as internal
  remove unusable cache pools
  GH-50526: Reverting ExecutionContextInterface void return types in favor of docblock annotations.

Author: nicolas-grekas

DependencyInjection/FrameworkExtension.php

@@ -342,6 +342,8 @@ public function load(array $configs, ContainerBuilder $container)
             }
 
             $this->registerAssetMapperConfiguration($config['asset_mapper'], $container, $loader, $this->readConfigEnabled('assets', $container, $config['assets']));
+        } else {
+            $container->removeDefinition('cache.asset_mapper');
         }
 
         if ($this->readConfigEnabled('http_client', $container, $config['http_client'])) {
@@ -485,6 +487,7 @@ public function load(array $configs, ContainerBuilder $container)
             }
             $this->registerSchedulerConfiguration($config['scheduler'], $container, $loader);
         } else {
+            $container->removeDefinition('cache.scheduler');
             $container->removeDefinition('console.command.scheduler_debug');
         }