Bug fixes

Changes since 7.x-1.18:

Hotfix on a typo from my commit on #2166779: ctools_field_invoke_field doesn't create the $field_name or $field variables if the $field_name isn't an array.

Just one change here:

#2914840-20: Add support for 'classmap' and 'files' autoload types

API change! ludwig.require_once service class name, method name, and file name are renamed, and service method now has a third argument.

Issue #3195283 by itamair: PHP error on Void as return type

1) In your sub-theme
$ npm update

2) If you use italiagov starter kit, update your sub-theme with the files inside in /themes/contrib/bootstrap_italia/var/starter_kits/italiagov:

Remove deprecated service dependency.

Fix templates for D9