chore: update CHANGELOG for #960

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
 - Bumped `rollup` transitive dependency to `^4.59.0` via yarn resolutions. [#956](https://github.com/sourcebot-dev/sourcebot/pull/956)
 - Bumped `minimatch` transitive dependency to `^3.1.3` via yarn resolutions. [#957](https://github.com/sourcebot-dev/sourcebot/pull/957)
 - Bumped `nodemailer` to `7.0.11`. [#959](https://github.com/sourcebot-dev/sourcebot/pull/959)
+- Bumped `@react-email/preview-server` to `5.2.8`. [#960](https://github.com/sourcebot-dev/sourcebot/pull/960)
 
 ## [4.13.0] - 2026-02-27