chore: added changelog update

CHANGELOG.md

@@ -1,5 +1,6 @@
 # Table of Contents
 
+- [v0.62.0](#v0620)
 - [v0.61.0](#v0610)
 - [v0.60.0](#v0600)
 - [v0.59.1](#v0591)
@@ -75,6 +76,17 @@
 - [0.2.0](#020)
 - [0.1.0](#010)
 
+## Unreleased
+
+> Release date: TBA
+
+- Added `GetWithNoConsumers` function to AbstractConsumerGroupService
+  to allow the fetching a consumer-group without listing its
+  consumers. 
+- Reverted `GET /consumer_groups` to older way that lists consumers
+  along with consumer-group information.
+  [#494](https://github.com/Kong/go-kong/pull/494)
+
 ## [v0.62.0]
 
 > Release date: 2024/12/11