fix: use new db types constants

[elzody]

• Target version: main

Summary

psalm was throwing errors because as of nextcloud 31.0.0 you must use the new Types constants when adding types to a database entity. so, we migrate them here

you can see it here: https://nextcloud-server.netlify.app/classes/ocp-appframework-db-entity#method_addType

Checklist

• Code is properly formatted
• Sign-off message is added to all commits
• Documentation (manuals or wiki) has been updated or is not required