meta: add mailmap entry for ryzokuken

This consolidates two email addresses/entries in AUTHORS into one.

PR-URL: #39596
Reviewed-By: Ujjwal Sharma <ryzokuken@disroot.org>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

.mailmap

@@ -429,6 +429,7 @@ Trivikram Kamat <trivikr.dev@gmail.com> <16024985+trivikr@users.noreply.github.c
 ttzztztz <ttzztztz@outlook.com> <yangziyue80@outlook.com>
 Tyler Larson <talltyler@gmail.com>
 Ujjwal Sharma <ryzokuken@disroot.org> <usharma1998@gmail.com>
+Ujjwal Sharma <ryzokuken@disroot.org> <ryzokuken@igalia.com>
 Uttam Pawar <upawar@gmail.com> <uttam.c.pawar@intel.com>
 Viktor Karpov <viktor.s.karpov@gmail.com>
 Vincent Voyer <v@fasterize.com>

AUTHORS

@@ -3017,7 +3017,6 @@ Joe Pea <joe@trusktr.io>
 ExE Boss <3889017+ExE-Boss@users.noreply.github.com>
 Mateusz Krawczuk <krawczukmat@gmail.com>
 Jonathan MERCIER <jmercier@cng.fr>
-Ujjwal Sharma <ryzokuken@igalia.com>
 Jichan <development@jc-lab.net>
 Hassaan Pasha <hassaan.pasha@teamo.io>
 Eric Dobbertin <eric@dairystatedesigns.com>