Pontoon/SUMO: Update Guarani (gn)

Co-authored-by: Abelardo Ayala Rodríguez <abe_aya@hotmail.com> (gn)

Author: mozilla-pontoon

gn/LC_MESSAGES/django.po

@@ -6968,7 +6968,7 @@ msgstr "Moñe’ẽrã rysýi"
 #: kitsune/sumo/db_strings.py:739
 msgctxt "DB: products.Topic.description"
 msgid "Troubleshoot reading list issues."
-msgstr ""
+msgstr "Emyatyrõ apañuái moñe’ẽrã rysýi ndive."
 
 #: kitsune/sumo/db_strings.py:740
 msgctxt "DB: products.Topic.title"