2.31.0

Description

Adds usage/metered api end points for app store.

App Store API

• https://developer.xero.com/documentation/api/xero-app-store/metered-billing

Types of Changes

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)