Simplicite 4.0 long term maintenance

Tags: #<Tag:0x00007f53990b8df0>

The Simplicité Platform version 4.0 is now in long term maintenance till January 15th, 2024.

Long term maintenance means it will not receive any new functional features but only fixes.

The prerelease[-light] and master[-light] branches of the version 4.0 instance template will soon be deleted

The corresponding Docker images with tags 4.0-beta[-light] and 4.0-alpha[-light] will also soon be deleted.

ACTION REQUIRED: If you plan to continue using the version 4.0, you must make sure you use only the release[-light] branches of the version 4.0 instance template or the corresponding Docker images with tags 4.0-latest[-light]