udpated CHANGELOG.md to current version

Author: ayodeko

CHANGELOG.md

@@ -15,6 +15,7 @@ All notable changes to this project will be documented in this file.
 - **Post-release**: Moved the note in the **Configuring vulnerability detection** documentation to appear after the `<indexer>` block. ([#8427](https://github.com/wazuh/wazuh-documentation/pull/8427))
 - **Post-release**: Included checkout command in Amazon Security Lake integration guide. ([#8423](https://github.com/wazuh/wazuh-documentation/pull/8423))
 - **Post-release**: Updated Vulnerability Detection Proof of Concept. ([#8422](https://github.com/wazuh/wazuh-documentation/pull/8422))
+- Added new section on creating agent groups. ([#8436](https://github.com/wazuh/wazuh-documentation/pull/8436))
 - **Post-release**: Updated `wazuh-certs-tool` download command from static version number to use `WAZUH_CURRENT_VERSION` ([#8473](https://github.com/wazuh/wazuh-documentation/pull/8473))
 
 ### Fixed