`HtOrganizations` should re-query the database if an organization is missing or is missing data

[aelkiss]

Currently we need to restart the worker processes if an organization is added or its information is updated. We should think about how to periodically expire the cache or somehow re-query the database when needed.

https://github.com/hathitrust/holdings-backend/blob/main/lib/data_sources/ht_organizations.rb#L66