Update Basque translation

Author: Thadah

integrations/nextcloud/snappymail/l10n/eu.json

@@ -1,5 +1,5 @@
 { "translations": {
-    "Email" : "Helbide elektronikoa",
+    "Email" : "Posta",
     "Error" : "Errorea",
     "Invalid argument(s)" : "Argumentu baliogabea(k)",
     "Saved successfully" : "Ondo gorde da",
@@ -16,4 +16,4 @@
     "Enter an email and password to auto-login to SnappyMail." : "Saioa automatikoki hasteko sartu helbide elektronikoa eta pasahitza SnappyMail-en.",
     "Password" : "Pasahitza"
 },"pluralForm" :"nplurals=2; plural=(n != 1);"
-}
+}