chore: Translate django.po in es_419

98% of minimum 50% translated source file: 'django.po'
on 'es_419'.

Sync of partially translated files: 
untranslated content is included with an empty translation 
or source language content depending on file format

translations/FeedbackXBlock/feedback/conf/locale/es_419/LC_MESSAGES/django.po

@@ -248,4 +248,4 @@ msgstr "Guardar"
 
 #: templates/html/studio_view.html:125
 msgid "Cancel"
-msgstr ""
+msgstr "Cancelar"