mailmap: add entry for Thorsten Blum

Map my previously used email address to my @linux.dev address.

Link: https://lkml.kernel.org/r/20241103234411.2522-2-thorsten.blum@linux.dev
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Cc: Alex Elder <elder@kernel.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Geliang Tang <geliang@kernel.org>
Cc: Kees Cook <kees@kernel.org>
Cc: Mathieu Othacehe <m.othacehe@gmail.com>
Cc: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Cc: Matt Ranostay <matt@ranostay.sg>
Cc: Naoya Horiguchi <nao.horiguchi@gmail.com>
Cc: Neeraj Upadhyay <neeraj.upadhyay@kernel.org>
Cc: Quentin Monnet <qmo@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

.mailmap

@@ -665,6 +665,7 @@ Tomeu Vizoso <tomeu@tomeuvizoso.net> <tomeu.vizoso@collabora.com>
 Thomas Graf <tgraf@suug.ch>
 Thomas Körper <socketcan@esd.eu> <thomas.koerper@esd.eu>
 Thomas Pedersen <twp@codeaurora.org>
+Thorsten Blum <thorsten.blum@linux.dev> <thorsten.blum@toblux.com>
 Tiezhu Yang <yangtiezhu@loongson.cn> <kernelpatch@126.com>
 Tingwei Zhang <quic_tingwei@quicinc.com> <tingwei@codeaurora.org>
 Tirupathi Reddy <quic_tirupath@quicinc.com> <tirupath@codeaurora.org>