The source project of this merge request has been removed.
Enable frozen string for app/models/**/*.rb
What does this MR do?
Enable frozen string literals in app/models/**/*.rb.
In particular, we are covering from application_setting to clusters.
Why was this MR needed?
Because frozen strings require fewer memory allocations, and memory efficiency is a good thing.
What are the relevant issue numbers?
Partially addresses #47424 (closed).