mailmap: switch email for Tanzir Hasan

Access to the tanzirh@google.com email will be revoked upon the end of the
internship.

Link: https://lkml.kernel.org/r/20240105-newemail-v3-1-3dc8ae035b54@google.com
Signed-off-by: Tanzir Hasan <tanzirh@google.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Justin Stitt <justinstitt@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

.mailmap

@@ -584,6 +584,7 @@ Surabhi Vishnoi <quic_svishnoi@quicinc.com> <svishnoi@codeaurora.org>
 Takashi YOSHII <takashi.yoshii.zj@renesas.com>
 Tamizh Chelvam Raja <quic_tamizhr@quicinc.com> <tamizhr@codeaurora.org>
 Taniya Das <quic_tdas@quicinc.com> <tdas@codeaurora.org>
+Tanzir Hasan <tanzhasanwork@gmail.com> <tanzirh@google.com>
 Tejun Heo <htejun@gmail.com>
 Tomeu Vizoso <tomeu@tomeuvizoso.net> <tomeu.vizoso@collabora.com>
 Thomas Graf <tgraf@suug.ch>