Update AUTHORS and DONORS list

New contributors added to AUTHORS:
@lyuma, @nathanfranke, @pycbouh

.mailmap

@@ -6,6 +6,7 @@ Anish Bhobe <anishbhobe@hotmail.com>
 Anutrix <numaanzaheerahmed@yahoo.com>
 Aren Villanueva <arenvillanueva@yomogi-soft.com> <aren@displaysweet.com>
 Ariel Manzur <ariel@godotengine.org>
+Ariel Manzur <ariel@godotengine.org> <puntob@gmail.com>
 Ariel Manzur <ariel@godotengine.org> <punto@godotengine.org>
 Ariel Manzur <ariel@godotengine.org> <ariel@okamstudio.com>
 Ariel Manzur <ariel@godotengine.org> <punto@Ariels-Mac-mini.local>
@@ -25,6 +26,7 @@ Daniel J. Ramirez <djrmuv@gmail.com>
 Dominik 'dreamsComeTrue' Jasiński <dominikjasinski@o2.pl>
 Emmanuel Barroga <emmanuelbarroga@gmail.com>
 Eric M <itsjusteza@gmail.com>
+Eric Rybicki <info@ericrybicki.com> <stratos695@googlemail.com>
 Erik Selecký <35656626+rxlecky@users.noreply.github.com>
 Erik Selecký <35656626+rxlecky@users.noreply.github.com> <35656626+SeleckyErik@users.noreply.github.com>
 Fabian <supagu@gmail.com>
@@ -84,6 +86,7 @@ Mateo Kuruk Miccino <mateomiccino@gmail.com>
 Max Hilbrunner <m.hilbrunner@gmail.com>
 Max Hilbrunner <m.hilbrunner@gmail.com> <mhilbrunner@users.noreply.github.com>
 Michael Alexsander <michaelalexsander@protonmail.com>
+Nathan Franke <natfra@pm.me> <nathanwfranke@gmail.com>
 Nathan Lovato <nathan@gdquest.com>
 Nathan Warden <nathan@nathanwarden.com> <nathanwardenlee@icloud.com>
 Nils ANDRÉ-CHANG <nils@nilsand.re>
@@ -97,7 +100,7 @@ Pieter-Jan Briers <pieterjan.briers+git@gmail.com>
 Pieter-Jan Briers <pieterjan.briers+git@gmail.com> <pieterjan.briers@gmail.com>
 Poommetee Ketson <poommetee@protonmail.com>
 Przemysław Gołąb (n-pigeon) <golab.przemyslaw@gmail.com>
-Rafał Mikrut <mikrutrafal54@gmail.com>
+Rafał Mikrut <mikrutrafal@protonmail.com> <mikrutrafal54@gmail.com>
 Ralf Hölzemer <r.hoelzemer@posteo.de> <rollenrolm@posteo.de>
 Ralf Hölzemer <r.hoelzemer@posteo.de> <rollenrolm@users.noreply.github.com>
 Ramesh Ravone <ramesh.maran443@gmail.com>
@@ -123,5 +126,6 @@ Wilhem Barbier <nounoursheureux@openmailbox.org> <wilhem.b@free.fr>
 Wilhem Barbier <nounoursheureux@openmailbox.org> <schtroumps31@gmail.com>
 Will Nations <willnationsdev@gmail.com>
 yg2f <yoann@terminajones.com>
+Yuri Sizov <yuris@humnom.net> <pycbouh@users.noreply.github.com>
 Zak Stam <zakscomputers@hotmail.com>
 Zher Huei Lee <lee.zh.92@gmail.com>

AUTHORS.md

@@ -114,6 +114,7 @@ name is available.
     Leon Krause (leonkrause)
     Liz Haas (27thLiz)
     Lucien Menassol (Kanabenki)
+    Lyuma
     m4nu3lf
     Maganty Rushyendra (mrushyendra)
     Marcel Admiraal (madmiraal)
@@ -138,6 +139,7 @@ name is available.
     MichiRecRoom (LikeLakers2)
     mrezai
     muiroc
+    Nathan Franke (nathanfranke)
     Nathan Lovato (NathanLovato)
     Nathan Warden (NathanWarden)
     Nils André-Chang (NilsIrl)
@@ -191,6 +193,7 @@ name is available.
     Xavier Cho (mysticfall)
     yg2f (SuperUserNameMan)
     Yuri Roubinsky (Chaosus)
+    Yuri Sizov (pycbouh)
     Zak Stam (zaksnet)
     Zher Huei Lee (leezh)
     ZuBsPaCe