remove final from public function set() to allow override

patches/symfony-dependency-injection.patch

@@ -5,7 +5,7 @@
       * @param string|null $class The class of the service, or null when $id is also the class name
       */
 -    final public function set(?string $id, string $class = null): ServiceConfigurator
-+    final public function set(?string $id, string $class = null): \Rector\Core\DependencyInjection\Loader\Configurator\RectorServiceConfigurator
++    public function set(?string $id, string $class = null): \Rector\Core\DependencyInjection\Loader\Configurator\RectorServiceConfigurator
      {
          $defaults = $this->defaults;
          $definition = new Definition();