Update spec version to 4.4.0

Add changelog for undeprecated `consultation_group`

Author: leslitagordita

src/content/changelog/2019-09-09-api.md

@@ -1,10 +1,10 @@
 ---
-title: "4.3.3: 2019-09-09"
+title: "4.4.0: 2019-09-09"
 date: "2019-09-09T08:00:00-04:00"
-description: "API Changelog 4.3.3"
+description: "API Changelog 4.4.0"
 changelog:
 - API
-version: 4.3.3
+version: 4.4.0
 ---
 
 ### Added
@@ -23,7 +23,8 @@ version: 4.3.3
 
 ### Changed
 
-- The `group` property of the managed contacts ([/managed/contacts](/api/v4/managed-contacts/#post)) resource is no longer deprecated.
+- The `group` property of the Managed Contacts ([/managed/contacts](/api/v4/managed-contacts/#post)) resource is no longer deprecated.
+- The `consultation_group` property of the Managed Services ([/managed/services](/api/v4/managed-services)) resource is no longer deprecated.
 
 ### Fixed