v2.4.0

Added

• Add support for language fallback on search indexes
• Add support for language fallback to get page extensions directly and
  reversely related to a page via a plugin

Changed

• On draft pages, show page extension plugins targeting draft pages
• Retrieve LTI Consumer plugin context through an API endpoint

Fixed

• Pin Django to versions less than 3.2 which is not compatible with DjangoCMS
• Fix pace computation when it is under an hour

Removed

• Creation date displayed on program glimpses