gh-92240 : Include release dates for "What's New In Python 3.X" (GH-92937)

Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
(cherry picked from commit 877ad7b3)

Co-authored-by: georgically <40323509+georgically@users.noreply.github.com>