[Security/Http] Allow setting cookie security settings for delete_cookies

Author: wouterj

DependencyInjection/MainConfiguration.php

@@ -273,6 +273,8 @@ private function addFirewallsSection(ArrayNodeDefinition $rootNode, array $facto
                             ->children()
                                 ->scalarNode('path')->defaultNull()->end()
                                 ->scalarNode('domain')->defaultNull()->end()
+                                ->scalarNode('secure')->defaultFalse()->end()
+                                ->scalarNode('samesite')->defaultNull()->end()
                             ->end()
                         ->end()
                     ->end()