bpo-44394: Update libexpat copy to 2.4.1 (GH-26945)

Update the vendored copy of libexpat to 2.4.1 (from 2.2.8) to get the
fix for the CVE-2013-0340 "Billion Laughs" vulnerability. This copy
is most used on Windows and macOS.

Co-authored-by: Łukasz Langa <lukasz@langa.pl>
This commit is contained in:
Victor Stinner 2021-08-29 16:08:24 +02:00 committed by GitHub
parent c9227df5a9
commit 3fc5d84046
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22 changed files with 1388 additions and 190 deletions

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