Store Credit functionality available on the Admin and Customer API

As of 2024-07 StoreCreditAccount queries and mutations are available to merchants globally in the GraphQL Admin API. A new transactions connection has been added to the StoreCreditAccount, displaying the full transaction history of the account.

A customer who is authenticated with new customer accounts will be able to see and spend their store credit at checkout.

It's now possible to view the logged in customers StoreCreditAccount when using the GraphQL Customer Account API.