/usr/share/hashcat/charsets/standard/Castilian/es-ES_ISO-8859-1.hcchr is in hashcat-data 3.30-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1
¡¿ÁÉÍÑÓÚÜáéíñóúü