gh-91491: Complete Whats New in 3.11 for typing (GH-92708)


Fixes GH-91491

Co-authored-by: Shantanu <12621235+hauntsaninja@users.noreply.github.com>
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
(cherry picked from commit 6b51773afd5658e15d23ce220f66fcc39c02dcae)

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