Add changelog for v0.83.8 (#56596)

Summary:
Add Changelog for 0.83.8

## Changelog:
[Internal] - Add Changelog for 0.83.8

Pull Request resolved: #56596

Test Plan: N/A

Reviewed By: christophpurrer

Differential Revision: D102339274

Pulled By: motiz88

fbshipit-source-id: c83710b74ad615cd389d33b5ee6c519de72cb32d

Author: react-native-bot

CHANGELOG.md

@@ -421,6 +421,16 @@
 - **Touch Handling**: Respect `cancelsTouchesInView` when canceling touches in `RCTSurfaceTouchHandler` ([5634e8a601](https://github.com/facebook/react-native/commit/5634e8a601caf0faa174bac3511929de767609ac) by [@intmain](https://github.com/intmain))
 - **View**: Fix duplicate shadow bug during component recycling by cleaning up visual layers in prepareForRecycle ([7dcedf1def](https://github.com/facebook/react-native/commit/7dcedf1def880163ab7ca07b2575a8153029a925) by Atharv Soni)
 
+## v0.83.8
+
+### Fixed
+
+- Fix missing header search path for React-featureflags in React-CoreModules ([2ff85bcba2](https://github.com/facebook/react-native/commit/2ff85bcba292dcd0d395a7fc218cbff79e5f2116) by [@radko93](https://github.com/radko93))
+
+## v0.83.7
+
+- Changes to experimental features only.
+
 ## v0.83.6
 
 ### Fixed