disable composer scaffolding of sites/development.service.yml

composer.json

@@ -40,7 +40,6 @@
         "drupal/selective_better_exposed_filters": "2.x-dev@dev",
         "drupal/smart_date": "^3.1",
         "drupal/structure_sync": "^2.0",
-        "drupal/twig_xdebug": "^1.2",
         "drupal/video_embed_field": "^2.4",
         "geocoder-php/google-maps-provider": "^4.6",
         "geocoder-php/mapquest-provider": "^4.2",
@@ -58,6 +57,9 @@
         "drupal-scaffold": {
             "locations": {
                 "web-root": "web/"
+            },
+            "file-mapping": {
+                "[web-root]/sites/development.services.yml": false
             }
         },
         "installer-paths": {
@@ -127,5 +129,8 @@
             "Add Views EntityReference filter to be available for all entity reference fields https://www.drupal.org/project/drupal/issues/2429699" : "https://www.drupal.org/files/issues/2021-03-06/2429699-389.patch"
           }
         }
+    },
+    "require-dev": {
+        "drupal/twig_xdebug": "^1.2"
     }
 }