bpo-41410: Fix outdated info in mkstemp docs (GH-21701)


Automerge-Triggered-By: @ericvsmith
(cherry picked from commit e55de68be3e5b977a17d3c0ac9805b0feff8fedc)

Co-authored-by: Rishav Kundu <rk@rishav.io>
2 files changed