Upgrade to PHPUnit 10

Summary:
Migrate PHPUnit configuration schema to 10.3, require 10.2.
Require the same version everywhere. Don't require minor.

Use attributes for data providers and backup globals.

Ensure data providers methods are static.

This upgrade has been assisted by Rector, see P342.

Test Plan: phpunit

Reviewers: dereckson

Differential Revision: https://devcentral.nasqueron.org/D3219