fix changelog

Author: mabela416

cli/CHANGELOG.md

@@ -1,12 +1,10 @@
 <!-- See the ../guides/writing-the-cypress-changelog.md for details on writing the changelog. -->
-
 ## 15.4.0
 _Released 9/30/2025 (PENDING)_
 
 **Features:**
 - Remove `experimentalStudio` config flag and turn Studio Beta on for all users of Cypress. Addresses [#30997](https://github.com/cypress-io/cypress/issues/30997). Addressed in [#32571](https://github.com/cypress-io/cypress/pull/32571).
 
-
 ## 15.3.0
 
 _Released 9/23/2025_