Update changelog for 16.2.8

[ci skip]

Author: GitLab Release Tools Bot

CHANGELOG.md

@@ -119,6 +119,13 @@ No changes.
 
 - [Enable cache to configure for Redis Cluster](gitlab-org/omnibus-gitlab@8c0aa6b59ad8be8b62e1a720cb370aadb29add05) ([merge request](gitlab-org/omnibus-gitlab!7079))
 
+## 16.2.8 (2023-09-28)
+
+### Security (2 changes)
+
+- [Consul RCE vulnerability `enable-script-checks`](gitlab-org/security/omnibus-gitlab@f94e2c4f46f032a841e32f81bc635235243e8e65) ([merge request](gitlab-org/security/omnibus-gitlab!370))
+- [ExifTool - Infinite loop when parsing BigTIFF files](gitlab-org/security/omnibus-gitlab@25a0cdebee778cbb4b9f0ed4e626914db7248e42) ([merge request](gitlab-org/security/omnibus-gitlab!366))
+
 ## 16.2.7 (2023-09-18)
 
 No changes.