[gnome-backgrounds] AUTHORS: update credits

[Jakub Steiner <jimmac src gnome org>]

commit 386b57eecebc7f4ca84f8f21ead11097e87a3130
Author: Jakub Steiner <jimmac gmail com>
Date:   Tue Jul 26 11:38:36 2022 +0200

    AUTHORS: update credits

 AUTHORS | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
---
diff --git a/AUTHORS b/AUTHORS
index 12bcaa4..80f05b3 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -11,6 +11,10 @@ Image Authors:
 - symbolics*:
 - Wood*:
 
-  Copyright © 2011-2021 Jakub Steiner <jimmac gmail com>
+  Copyright © 2011-2022 Jakub Steiner <jimmac gmail com>
   Licensed under Creative Commons Attribution-ShareAlike 3.0 License.
 
+oceans.svg:
+  https://showyourstripes.info/s/globe/
+  Copyright © Ed Hawkins
+  CC BY 4.0 License.