chore: Translate transifex_input.json in pt_PT

80% of minimum 50% translated source file: 'transifex_input.json'
on 'pt_PT'.

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

translations/frontend-component-footer/src/i18n/messages/pt_PT.json

@@ -23,7 +23,7 @@
   "footer.connectLinks.contact": "Entrar em Contacto",
   "footer.connectLinks.help": "Centro de Ajuda",
   "footer.connectLinks.mediaKit": "Kit Multimédia",
-  "footer.connectLinks.donate": "Donate",
+  "footer.connectLinks.donate": "Fazer um donativo",
   "footer.mobileApp.apple": "Descarregue a app edX mobile na Apple App Store",
   "footer.mobileApp.google": "Descarregue a app edX mobile no Google Play",
   "footer.logo.altText": "Logo edX",