WooCommerce Memberships 1.26.9

* Tweak - Introduce some performance optimization when querying products that grant access during the output of restriction messages
* Fix - Ensure restrict content rules to be enforced while accessing content through the REST API
* Fix - Trim any whitespace found in the headers of import CSV files
* Fix - Ensures that the datetime strings in Memberships REST API payloads are consistent with WooCommerce core and do not include an incorrect timezone component
* Fix - When deleting a user membership, ensure that associated profile fields data is deleted as well (as long as profile fields don't overlap with other plans the user is member of)
* Fix - Do not exclude all products from discounts when a subscription renewal is in cart and should be excluded from discounts
* Fix - Default new installations to use 'my-profile' as the profile fields area endpoint to avoid conflicts with BuddyPress or BuddyBoss

* Feature - Members can now be segmented by adding custom profile fields to their memberships
* Feature - Add new admin screens to let merchants manage custom profile fields for their members
* Feature - Members can fill or edit profile fields when signing up for a membership or from a dedicated area in the My Account page
* Feature - Add member profile fields support when importing or exporting memberships
* Feature - Add member profile fields support to the REST API
* Misc - Remove the SkyVerge help menu item as part of the plugin assets

* Misc - Add SkyVerge help menu for support on WooCommerce.com connected sites