chore: update CHANGELOG.md

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

Author: equistar22

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## 3.23.0
+> Released YYYY/MM/DD
+
+# Features
+* Add support for `konnect_organization_ip_allow_list` resource, using which you can view, set, and disable the list of IP addresses/CIDR ranges allowed to reach your Konnect organization's Admin API.
+
 ## 3.22.0
 > Released 2026/08/26