WooCommerce Memberships 1.26.9

* Tweak - Consider a subscription-tied membership renewable regardless of its status if it has an expiry date and early renewal is allowed
* Tweak - Allow sending ending soon emails for memberships that are linked to a subscription if the latter can be renewed early
* Tweak - Create index.html and .htaccess files in exports folder
* Tweak - Import user memberships from a local CSV file from the command line via WP CLI with the new `wc user_membership import` command
* Fix - Ensure that custom input fields added to import/export screens pass job params that could be correctly used in customizations
* Fix - Use the same rounding precision for discounts as WooCommerce core as defined in `wc_get_rounding_precision()`
* Fix - Fix post restrictions when granting access to taxonomy terms in some circumstances
* Fix - Force LearnDash to query posts when loading course steps
* Misc - Move activation of delayed memberships from WP Cron event to Action Scheduler task

* Fix - Ensure that memberships in free trial status can access restricted content when using "Hide completely" restriction mode
* Fix - Display the thank you note on new order emails on free virtual orders and orders that skip the processing status
* Fix - When an API user is also a plan member and the product prices are discounted for them, ensure that these are numerical strings and not floats in API product responses
* Fix - Use the correct version for REST API responses when sending webhook payloads
* Fix - Ensure Memberships webhooks are consistently fired in WooCommerce 3.6+
* Fix - When an admin pauses or cancels a membership manually from the user membership edit screen, make sure the `wc_memberships_user_membership_paused` `wc_memberships_user_membership_cancelled` action hooks are fired accordingly
* Fix - Pass the right argument type to `woocommerce_product_related_posts_force_display` WooCommerce core filter hook for related products handling
* Misc - Allow filtering of CSV import and export delimiters to allow for more delimiters other than tab and comma

* Feature - Add REST API endpoints support to full CRUD operations for user membership objects, including batches
* Tweak - Improve the restrictions performance in some installations when "Hide Completely" is the chosen restriction mode
* Fix - Make sure that a user membership can have its plan changed when specifying a new plan from the WP CLI with a member update request
* Fix - When the My Account page is set as the front page in WordPress, ensure that the Members Area does not return 404 when accessed
* Dev - Update Members Area templates and move before/after actions to methods outputting templates
* Misc - Deprecate the legacy WP CLI implementation in favor of WP REST CLI commands based on the WC REST API handling
* Misc - Update Action Scheduler library to version 2.2.4
* Misc - Add support to WooCommerce 3.6
* Misc - Require PHP 5.4+