fix: changelog (#9179)

Author: HugoPBrito

prowler/CHANGELOG.md

@@ -36,6 +36,10 @@ All notable changes to the **Prowler SDK** are documented in this file.
 - Update AWS CodeArtifact service metadata to new format [(#8850)](https://github.com/prowler-cloud/prowler/pull/8850)
 - Rename OCI provider to oraclecloud with oci alias [(#9126)](https://github.com/prowler-cloud/prowler/pull/9126)
 
+---
+
+## [v5.13.2] (Prowler UNRELEASED)
+
 ### Fixed
 - Check `check_name` has no `resource_name` error for GCP provider [(#9169)](https://github.com/prowler-cloud/prowler/pull/9169)