chore: update CHANGELOG for #1050

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

Author: brendan-kellam

CHANGELOG.md

@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 - Fixed Ask GitHub landing page chat box placement to be centered on the page instead of at the bottom. [#1046](https://github.com/sourcebot-dev/sourcebot/pull/1046)
 - Fixed issue where local git connections (`file://`) would fail when matching a file instead of a directory. [#1049](https://github.com/sourcebot-dev/sourcebot/pull/1049)
+- Fixed regex queries containing parentheses (e.g. `(test|render)<`) being incorrectly split into multiple search terms instead of treated as a single regex pattern. [#1050](https://github.com/sourcebot-dev/sourcebot/pull/1050)
 
 ## [4.16.2] - 2026-03-25