mailmap: map Taylor Blau's work address

Signed-off-by: Taylor Blau <ttaylorr@openai.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Author: ttaylorr-oai

.mailmap

@@ -277,6 +277,7 @@ Sven Verdoolaege <skimo@kotnet.org> <skimo@liacs.nl>
 SZEDER Gábor <szeder.dev@gmail.com> <szeder@ira.uka.de>
 Tao Qingyun <taoqy@ls-a.me> <845767657@qq.com>
 Tay Ray Chuan <rctay89@gmail.com>
+Taylor Blau <me@ttaylorr.com> <ttaylorr@openai.com>
 Ted Percival <ted@midg3t.net> <ted.percival@quest.com>
 Theodore Ts'o <tytso@mit.edu>
 Thomas Ackermann <th.acker@arcor.de> <th.acker66@arcor.de>