* Dev - Bump WooCommerce "tested up to" version 8.0.
* Dev - Bump WooCommerce minimum supported version from 7.2 to 7.8.
* Dev - Bump WordPress "tested up to" version 6.3.
* Tweak - Removed the temporary tax calculation fix for block checkout since it has been resolved upstream.
* Fix - Allow 0% entry for the initial payment in a payment plan.
* Fix - Payment plan description hidden when pay in full is the default payment option.
* Dev - Added new GitHub Workflow to run Quality Insights Toolkit tests.
* Dev - Bump WooCommerce "tested up to" version 7.8.
* Dev - Bump WooCommerce minimum supported version from 6.8 to 7.2.
* Dev - Bump WordPress minimum supported version from 5.8 to 6.1
* Dev - Migrate end-to-end tests to Playwright.
