docker/l3d#47 Composer 2 compatibility

composer.json

@@ -37,7 +37,6 @@
     "require": {
         "composer/installers": "^1.9",
         "cweagans/composer-patches": "^1.6",
-        "drupal-composer/drupal-scaffold": "^2.6",
         "drupal/address": "^1.8",
         "drupal/admin_toolbar": "^2.2",
         "drupal/antibot": "^1.3",
@@ -48,6 +47,7 @@
         "drupal/config_installer": "^1.8",
         "drupal/config_split": "^1.4",
         "drupal/core": "^8.9",
+        "drupal/core-composer-scaffold": "^8.9",
         "drupal/dev_modules": "^2.0",
         "drupal/drd_agent": "^4.0",
         "drupal/ds": "^3.7",