Update CHANGELOG.v2.md

Author: moelasmar

CHANGELOG.v2.md

@@ -2,7 +2,7 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
-### [2.148.1](https://github.com/aws/aws-cdk/compare/v2.148.0...v2.148.1) (2024-07-11)
+## [2.148.1](https://github.com/aws/aws-cdk/compare/v2.148.0...v2.148.1) (2024-07-11)
 
 
 ### Bug Fixes