R1:1fa8c79b1ef8

Update d3 from version 5.9.2 to 6.7.0

Summary:
Update the d3 library to its last 6.x version available on https://github.com/d3/d3/releases

This also requires updating the tooltip event handling of dots in `Chart.js` to avoid an `Uncaught TypeError: d3.event is undefined` per https://observablehq.com/@d3/d3v6-migration-guide#event-management linked from https://github.com/d3/d3/releases/tag/v6.0.0

Closes T15820

Test Plan:
* Enable the Facts application, go to the Reports of a Project with task changes…