WooCommerce Bookings 2.1.2

* Fix - Calendars show correct availability when multiple bookable products are on the same page.
* Fix - Namespacing of Google API package classes.
* Tweak - Bump WooCommerce "tested up to" from 7.2.2 to 7.3.
* Tweak - Bump tested up to WordPress version 6.1.

* Fix - All products shown as available in Bookings Calendar block.
* Fix - Google Calendar connection issues.
* Fix - Inconsistent availability view (months vs days).
* Fix - JavaScript coding standards (ESLint).
* Fix - Remote code injection vulnerability in the `Person_types` column while importing bookable products.
* Fix - Show First and Last days as unavailable if there are no available slots.
* Tweak - Improve save and rendering performance of Google Calendar event rules via a new, separate page.
* set minDate based on from_date.

* Fix - All time ranges should be checked before marking any block unbookable.
* Fix - Ensure maximum number of person type not allowed to exceed Max Persons setting.
* Fix - Hide products from the `/slot` endpoint if their catalog visibility is set to `hidden`.
* Fix - Make calendar popup and booking details popup WP 6.1 compatible.
* Fix - Show booking details on the booking details admin page if it does not have an order.