Add "invalid_credentials" message to multiple language files

- Updated Spanish (es.json) to include "invalid_credentials": "Credenciales no válidas"
- Updated French (fr.json) to include "invalid_credentials": "Des références non valides"
- Updated Italian (it.json) to include "invalid_credentials": "Credenziali non valide"
- Updated Korean (ko.json) to include "invalid_credentials": "잘못된 자격 증명"
- Updated Dutch (nl.json) to include "invalid_credentials": "Ongeldige referenties"
- Updated Norwegian (no.json) to include "invalid_credentials": "Ugyldig legitimasjon"
- Updated Russian (ru.json) to include "invalid_credentials": "Неверные полномочия"
- Updated Swedish (sv.json) to include "invalid_credentials": "Ogiltiga referenser"
- Updated Chinese (zh.json) to include "invalid_credentials": "无效的凭据"

frontend/src/locales/es.json

@@ -477,7 +477,8 @@
     "license": "Licencia",
     "all_rights_reserved": "Reservados todos los derechos.",
     "email_verified_erorr_desc": "Su correo electrónico no pudo ser verificado. \nPor favor intente de nuevo.",
-    "no_emai_set": "Sin conjunto de correo electrónico"
+    "no_emai_set": "Sin conjunto de correo electrónico",
+    "invalid_credentials": "Credenciales no válidas"
   },
   "checklist": {
     "checklist_delete_error": "Error al eliminar la lista de tareas",