WooCommerce Bookings 2.1.2

* Dev - Bump WooCommerce "tested up to" version 8.8.
* Dev - Bump WooCommerce minimum supported version to 8.6.
* Update - Register Bookings product type even when `is_admin()` is false.
* Update - Replace the middleware URL from `connect.woocommerce.com` to `api.woocommerce.com/integrations`.

* Dev - Bump WooCommerce "tested up to" version 8.6.
* Dev - Bump WooCommerce minimum supported version to 8.4.
* Fix - Clear cache when booking is trashed/untrashed.
* Fix - Error when adding a global add-on while WooCommerce Bookings and Jetpack are active.
* Update - Hide "(x left)" text in the end time dropdown when there is only 1 quantity resourced.
* Update - Revert Booking status to "in-cart" when order fails to enable re-payment.

* Dev - Bump PHP "tested up to" version 8.3.
* Dev - Bump WooCommerce "tested up to" version 8.5.
* Dev - Bump WooCommerce minimum supported version to 8.3.
* Dev - Bump WordPress minimum supported version to 6.3.
* Fix - Set the place order label in the Block checkout page when order requires confirmation.
* Fix - Slow checkout performance for high-volume sites.
* Fix - Remove Cart Block incompatibility notice.
* Tweak - Ensure New Bookable Product link goes to template selection screen.

* Add - Improved Bookings Calendar Connection & Sync Flow by adding Labels and Notifications.
* Dev - Declare compatibility with WooCommerce Blocks
* Dev - Bump PHP minimum supported version to 7.4.
* Dev - Bump WooCommerce "tested up to" version 8.4.
* Dev - Bump WooCommerce minimum supported version to 8.2.
* Dev - Switched the E2E test environment from `@woocommerce/e2e-environment` to `@wordpress/env`.
* Fix - Ensure compatibility with WooPayments extension.

* Dev - Bump WordPress "tested up to" version 6.4.
* Dev - Bump WordPress minimum supported version to 6.2.
* Dev - Add Playwright e2e tests for Critical Flows.
* Dev - Resolve Coding Standards issues.

• Change docs and config files to indicate node 12 requirement.
• Salt rotation issue for key encryption

* Dev - Added E2E tests to ensure customer-defined blocks work with resources.
* Dev - Update E2E tests workflow to only run based on conditions.
* Dev - Update PHPCS and PHPCompatibility GitHub Actions.
* Fix - Available slots count not displayed for products with no resources.
* Fix - Infinite Calendar Load on PHP 8.1 when WooCommerce Vendors is activated.
* Fix - Non-booking events causing the admin calendar to crash.
* Fix - Add proper nonce check to prevent unauthorized disconnection of Google Calendar account.

* Dev - Escape underscores in transient names so the delete query can utilize the MySQL index.
* Dev - Incorporate entity ID in the nonce value with role capability validation.
* Fix - Fixes the remaining resource count and moves the count from start time list to end time list.
* Fix - Set text color for `.wc-bookings-calendar-popover .components-popover__content` and avoid issue where text is same as container background.
* Fix - Update documentation link under `Bookings > Add Product`.

Fix - Update availability rule helper text.

* Add - Check booking availability on checkout validation to reduce over-booking.
* Dev - Added a 'state' parameter to the custom Google Calendar connection.
* Dev - Migrate end-to-end tests to Playwright.
* Dev - Prefix composer `google/apiclient` package with `brianhenryie/strauss`.
* Dev - Resolve PHP deprecated warning `usort(): Returning bool from comparison function`.
* Dev - Update PHP dependency to 7.2.
* Fix - "Confirm Booking" link not working from email and shows "The link you followed has expired.".
* Fix - Ensures that labels on Bookings page in My Account are able to be translated.
* Tweak - WC 7.5.0 compatibility.