CHANGELOG.md in google-cloud-datastore-2.2.2 vs CHANGELOG.md in google-cloud-datastore-2.2.3

@@ -1,6 +1,12 @@
 # Release History
 
+### 2.2.3 / 2021-10-21
+
+#### Documentation
+
+* Add documentation for quota_project Configuration attribute
+
 ### 2.2.2 / 2021-09-21
 
 #### Documentation
 
 * Fix typo in Emulator guide links