GH-109190: Copyedit 3.12 What's New: Synchronise C API deprecations with the 3.12 branch#109844

hugovk merged 1 commit intopython:mainpython/cpython:mainfrom

AA-Turner:docs/whatsnew/c-api-fixupAA-Turner/cpython:docs/whatsnew/c-api-fixupCopy head branch name to clipboard