Update the update command.

The command also needs to pick up `drupal/core-composer-scaffold`. See drupal-composer#585 and also https://www.drupal.org/docs/updating-drupal/updating-drupal-core-via-composer#s-update-drupal-core-code.

Author: Norman Kämper-Leymann

README.md

@@ -58,7 +58,7 @@ new release of Drupal core.
 
 Follow the steps below to update your core files.
 
-1. Run `composer update drupal/core-recommended drupal/core-dev --with-dependencies` to update Drupal Core and its dependencies.
+1. Run `composer update "drupal/core-*" --with-dependencies` to update Drupal Core and its dependencies.
 2. Run `git diff` to determine if any of the scaffolding files have changed.
    Review the files for any changes and restore any customizations to
   `.htaccess` or `robots.txt`.