chore: Update CHANGELOG for #909

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: brendan-kellam

CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 - Fixed `og:image` URL resolving to `localhost` instead of the public domain when the app is deployed behind a reverse proxy. [#908](https://github.com/sourcebot-dev/sourcebot/pull/908)
+- Fixed search bar not taking the full width on the search results and browse pages. [#909](https://github.com/sourcebot-dev/sourcebot/pull/909)
 
 ## [4.11.3] - 2026-02-19