[gtk] Update Basque translation

[Translations User D-L <translations src gnome org>]

commit db167e09c5f8fa4f9b2bb93cc35db72387f2dbaa
Author: Asier Sarasua Garmendia <asiersarasua ni eus>
Date:   Fri Oct 8 17:44:18 2021 +0000

    Update Basque translation
    
    (cherry picked from commit 2492729238b90c3b1f28a8776899ea2b11c379a3)

 po/eu.po | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/po/eu.po b/po/eu.po
index dfa6f709bb..ca1da4a267 100644
--- a/po/eu.po
+++ b/po/eu.po
@@ -91,7 +91,7 @@ msgstr "Tabulazioa"
 #: gdk/keyname-table.h:6845
 msgctxt "keyboard label"
 msgid "Return"
-msgstr "Itzuli"
+msgstr "Sartu"
 
 #: gdk/keyname-table.h:6846
 msgctxt "keyboard label"