Copyedits to 3.10 What's New (GH-25787) (#25883)

Co-authored-by: Dominic Davis-Foster <dominic@davis-foster.co.uk>
(cherry picked from commit f6d7abc6e72294c5573709cca78ae252e03ebe3d)

Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
1 file changed