Update name in acknowledgements and add mailmap (GH-103696)
I changed my name last year, and would like to update my name in the
acknowledgements and git history accordingly.
git-mailmap reference: https://git-scm.com/docs/gitmailmap
(cherry picked from commit 4b10ecc29f)
Co-authored-by: Amethyst Reese <amethyst@n7.gg>
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
Miss Islington (bot)