MAGE-1267: updated changelog

Author: damcou

CHANGELOG.md

@@ -4,15 +4,18 @@
 
 ### Features
 - Algolia's [Query Categorization feature](https://www.algolia.com/doc/integration/magento-2/how-it-works/query-categorization) is now compatible with the extension.
+- Added new CLI command for synonyms deduplication
 
 ### Updates
 - Updated integration tests to use `AlgoliaConnector`
 - Updated `ReplicaManager` service to handle multi stores properly with a `$storeId` parameter.
+- Pinned PHP Client version to 4.18.3
 
 ### Bug Fixes
 - Fixed `RebuildReplicasPatch` bug where replica detach logic wasn't properly applied in some cases.
 - Fixed a bug where credentials errors weren't gracefully handled on the SKU reindexing form
 - Fixed a bug where the `q` parameter wasn't properly handled in case it was missing on the catalogsearch page. (thanks @PromInc)
+- Fixed Recommend model validation when configuration is saved in the Magento admin.
 
 ## 3.15.0