meta: consolidate duplicate AUTHORS entries for hassaanp

Create a .mailmap entry to consolidate the two AUTHORS entries for
hassaanp into a single entry.

PR-URL: #40391
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Zijian Liu <lxxyxzj@gmail.com>

.mailmap

@@ -165,6 +165,7 @@ Guy Bedford <guybedford@gmail.com>
 Halil İbrahim Şener <hisener@yahoo.com>
 Hannah Kim <h.heeeun.kim@gmail.com>
 Hannes Magnusson <hannes.magnusson@gmail.com> <hannes.magnusson@creditkarma.com>
+Hassaan Pasha <pasha.hassaan@gmail.com> <hassaan.pasha@teamo.io>
 Hendrik Schwalm <mail@hendrikschwalm.de>
 Henry Chin <hheennrryy@gmail.com>
 Herbert Vojčík <herby@mailbox.sk>

AUTHORS

@@ -2995,7 +2995,7 @@ ExE Boss <3889017+ExE-Boss@users.noreply.github.com>
 Mateusz Krawczuk <krawczukmat@gmail.com>
 Jonathan MERCIER <jmercier@cng.fr>
 Jichan <development@jc-lab.net>
-Hassaan Pasha <hassaan.pasha@teamo.io>
+Hassaan Pasha <pasha.hassaan@gmail.com>
 Eric Dobbertin <eric@dairystatedesigns.com>
 Victor <doc999tor@gmail.com>
 Ling Samuel <lingsamuelgrace@gmail.com>
@@ -3224,7 +3224,6 @@ simov <simeonvelichkov@gmail.com>
 wwwzbwcom <zbwhome@outlook.com>
 David Glasser <glasser@davidglasser.net>
 pezhmanparsaee <p.parsaee@gmail.com>
-Hassaan Pasha <pasha.hassaan@gmail.com>
 Darkripper214 <phakorn214@gmail.com>
 Anu Pasumarthy <anupama.pasumarthy@gmail.com>
 HiroyukiYagihashi <hey@hiroy.uk>