Bug fixes

Codename: Damien goes on vacation ;-)

This release continues to make improvements in Drupal 9 compatibility, and makes some other small fixes to hopefully make everyone's sites more stable.

As always, thanks to everyone who helped with this release, your contributions are very much appreciated!

Minor fix: hide rubric item interface on new exercises.

• Issue #3164332: Add helper method wrapAll by e0ipso
• Issue #3164351: Add helper method typed_entity_repository_manager() by e0ipso

Github milestone: 8.x-1.19

Added lib file.

Updated composer dependency