Includes:
* display ToC for API docs
* update dgeni-packages to 0.24.1
* add floating sidebar in API docs
* add breadcrumbs and structured data for Google crawler
* improved rendering of method overloads
* properties rendered in a table
* params rendered with docs
* removal of outdated "infobox" from all API docs
PR Close#21874
This has two benefits:
* it prepares the way for the API docs update, which need parameter docs
* it doesn't incorrectly report dangling links for non-latin anchors
Closes#21306
PR Close#21802