Bug fixes

Update to the 4.0.2 version of the reveal.js library.
The version is not fixed in composer.json, as some changes in the library didn't take care of backward compatibility.
Deprecated features ware removed and some new added.

• Implementing TrustedRedirectResponse in logs form.
• Removing online statistics link from form text.
• Adding button for the new Online statistics trusted url.

Fixes a bug causing to fail Ajax processing of panes.

• Issue #3152377 by Mohammed J. Razem: Started a 2.0.x branch for Autocomplete Deluxe to support Drupal 9
• Issue #3150551 by RajabNatshah: Fixed composer file to match the Drupal 9 full project, not the sandbox

Fixed critical bug: Field Group popup not working with nested paragraph: https://www.drupal.org/project/popup_field_group/issues/3129470