Update release notes

aligent#201

Author: jswift

RELEASE_NOTES.md

@@ -1,16 +1,3 @@
-This release adds support for a number of new and extended BigCommerce V3 API endpoints.
-
-### New Features
-
-- Implement the [System Logs](https://developer.bigcommerce.com/api-reference/6908d02370409-get-system-logs) 
-  endpoint (#185)
-- Implement the [Pages](https://developer.bigcommerce.com/api-reference/d74089ee212a2-delete-pages) API (#184)
-- Implement extra Customer V3 endpoints (#181):
-  - [Get stored instruments](https://developer.bigcommerce.com/api-reference/b735a25b3a0b8-get-stored-instruments)
-  - [Customer Settings](https://developer.bigcommerce.com/api-reference/0c31a6d25e5ea-get-customer-settings)
-  - [Customer Settings per Channel](https://developer.bigcommerce.com/api-reference/d5e66c45b0415-get-customer-settings-per-channel)
-  - [Validate credentials](https://developer.bigcommerce.com/api-reference/3d731215a3dcb-validate-a-customer-credentials)
-- Add the ability to send and receive Images via the Product API, not just the Product Images api (#175)
-- Implement the [Wishlists](https://developer.bigcommerce.com/api-reference/03d6065d6f6e5-wishlist) API (#186)
-
+### Fixes
 
+- Many deprecation notices for PHP 8.2 about creation of dynamic properties (#201)