Xblock-drag-and-drop-v2

---------------------------

* Set go-to-beginning button to hidden for Screen Readers

--------------------------

* Unpin lxml constraint.

--------------------------

* Add Python 3.11 support.
* Add Python 3.12 support.
* Drop Django 3.2 support.

--------------------------

* Remove Transifex calls and bundled translation files for the OEP-58 proposal.

BREAKING CHANGE: This version removes translations for Quince and earlier releases.

---------------------------

* XBlockI18NService js translations support

---------------------------

* Removed xblock-utils package
* Replace `xblockutils.*` imports with `xblock.utils.*`. The old imports are used as a fallback for compatibility with older releases.
* Removed bok-choy package along with all integration tests.