.mailmap: add an alias for Dylan Baker

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/1999>
diff --git a/.mailmap b/.mailmap
index 873ea04..4d78be0 100644
--- a/.mailmap
+++ b/.mailmap
@@ -183,6 +183,7 @@
 Dmitry Cherkassov <dcherkassov@gmail.com> Dmitry Cherkasov <dcherkassov@gmail.com>
 
 Dylan Baker <dylanx.c.baker@intel.com> <baker.dylan.c@gmail.com>
+Dylan Baker <dylanx.c.baker@intel.com> <dylan@pnwbakers.com>
 
 Edward O'Callaghan <funfunctor@folklore1984.net> <eocallaghan@alterapraxis.com>