Update Drupal core to ^10.3 and ^11 and drop the use of the SDC experimental module

Attached a static patch file for cl_server 2024-06-24 for MR 32
to be used with composer patches

We'll need some code updates too for the namespace changes:

TypeError: Drupal\cl_editorial\NoThemeComponentManager::__construct(): Argument #1 ($pluginManager) must be of type Drupal\sdc\ComponentPluginManager, Drupal\Core\Theme\ComponentPluginManager given, called in /var/www/html/docroot/core/lib/Drupal/Component/DependencyInjection/Container.php on line 261 in Drupal\cl_editorial\NoThemeComponentManager->__construct() (line 23 of modules/contrib/cl_editorial/src/NoThemeComponentManager.php).

Drupal\Component\DependencyInjection\Container->createService(Array, 'Drupal\cl_editorial\NoThemeComponentManager') (Line: 179)
Drupal\Component\DependencyInjection\Container->get('Drupal\cl_editorial\NoThemeComponentManager')
array_map(Array, Array) (Line: 39)
Drupal\sdc_block\Plugin\Derivative\ComponentBlockDeriver::create(Object, 'sdc_component_block') (Line: 25)
Drupal\Core\Plugin\Discovery\ContainerDerivativeDiscoveryDecorator->getDeriver('sdc_component_block', Array) (Line: 99)
Drupal\Component\Plugin\Discovery\DerivativeDiscoveryDecorator->getDerivatives(Array) (Line: 87)
Drupal\Component\Plugin\Discovery\DerivativeDiscoveryDecorator->getDefinitions() (Line: 337)
Drupal\Core\Plugin\DefaultPluginManager->findDefinitions() (Line: 213)
Drupal\Core\Plugin\DefaultPluginManager->getDefinitions() (Line: 22)
Drupal\Core\Plugin\DefaultPluginManager->getDefinition('local_actions_block') (Line: 16)
Drupal\Core\Plugin\Factory\ContainerFactory->createInstance('local_actions_block', Array) (Line: 76)
Drupal\Component\Plugin\PluginManagerBase->createInstance('local_actions_block', Array) (Line: 62)
Drupal\Core\Plugin\DefaultSingleLazyPluginCollection->initializePlugin('local_actions_block') (Line: 57)
Drupal\block\BlockPluginCollection->initializePlugin('local_actions_block') (Line: 80)
Drupal\Component\Plugin\LazyPluginCollection->get('local_actions_block') (Line: 45)

Ignore #6. That stack trace is from the related module: cl_editorial

The PR fixes things. LGTM.

Thanks, Lucas, for having the right changes.

Attached a static patch file for cl_server 2024-06-25 MR 32
to be used with composer patches
After d4f9ada0 - fix imports by Lucas

Is anything still blocking release ? Can I help ?