Add PEPs 593 & 647 to list of PEPs at top of typing docs (GH-29097)

(cherry picked from commit d9e1dae35ac20acfeb2509b0dea4c3943693e79d)

Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>

Miss Islington (bot) committed 4y ago

0d0312e1ac4a92d8cfb71c4c66c66eaf7270262f

Parent: b8dbb3a

Committed by GitHub <noreply@github.com> on 10/20/2021, 3:36:34 PM