minor
Heroku: Heroku renamed the Postgres Advanced 4G-Performance field included_storage to storage_included and changed "100 GB-mo" …
{"vcpu":"2","memory":"4 GB","connections":"400","included_storage":"100 GB-mo"} → {"vcpu":"2","memory":"4 GB","connections":"400","storage_included":"100GB-mo"}
Heroku renamed the Postgres Advanced 4G-Performance field included_storage to storage_included and changed "100 GB-mo" to "100GB-mo". The storage amount stayed at 100 GB-mo.
plans[Postgres Advanced 4G-Performance].included