added changelog

Signed-off-by: sarthak-kumar-shailendra <[email protected]>

Author: sarthak-kumar-shailendra

CHANGELOG.md

@@ -16,6 +16,7 @@
 
 - `[docs]` Update V30 migration guide to notify users on `jest.mock()` work with case-sensitive path ([#15849](https://github.com/jestjs/jest/pull/15849))
 - `[deps]` Update to sinon/fake-timers v15
+- Updated Twitter icon to match the latest brand guidelines.([#15868](https://github.com/jestjs/jest/pull/15869))
 
 ## 30.2.0