[geary] Update THANKS

[Michael Gratton <mjog src gnome org>]

commit c758bd57ae07939feb4f1e49e61704ceaebae3f6
Author: Michael Gratton <mike vee net>
Date:   Sun Nov 24 13:13:48 2019 +1100

    Update THANKS

 THANKS | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/THANKS b/THANKS
index d26d06f9..c91cf97d 100644
--- a/THANKS
+++ b/THANKS
@@ -18,6 +18,7 @@ Charles Lehner <rdm cel celehner com>
 Chirstian Dywan <christian twotoasts de>
 Christian Kellner <christian kellner me>
 Christopher Davis <brainblasted disroot org>
+Chris Heywood <15127-creywood users noreply gitlab gnome org>
 Claudio <cpacchierotti gmail com>
 Colin Walters <walters verbum org>
 Daniel Foré <daniel elementaryos org>
@@ -58,6 +59,7 @@ Khurshid Alam <sunnysigara+github gmail com>
 Konstantin Kharlamov <Hi-Angel yandex ru>
 Kristian Klausen <kristian klausen dk>
 Leonardo Robol <leo robol it>
+Mario Ravalli <mario raval li>
 Mario Sanchez Prada <msanchez igalia com>
 Mark Pariente <markpariente gmail com>
 Martijn Braam <pizzamartijn gmail com>
@@ -66,7 +68,6 @@ mar-v-in <github rvin mooo com>
 Mathias Hasselmann <mathias openismus com>
 Matthew Wong <wongma7 outlook com>
 Matthias Clasen <mclasen redhat com>
-Mario Ravalli <mario raval li>
 Mete Can Eris <caneris gmail com>
 Michael Catanzaro <mcatanzaro igalia com>
 Michael George <mdgeorge cs cornell edu>