Changelog for 2.41.0: https://github.com/git/git/blob/master/Documentation/RelNotes/2.41.0.txt
Changelog for 2.40.0: https://github.com/git/git/blob/master/Documentation/RelNotes/2.40.0.txt
git-add--interactive was removed in 2.40.0 in favor of git add -i, which
caused the AUH upgrade failure as that PERLTOOLS entry was no longer
relevant.