chore: update changelog

CHANGELOG.md

@@ -12,11 +12,19 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * Metrics endpoint for Prometheus integration
 * Search in list of targets using API & CLI
 * Allow filtering targets by arch value
+* Configurable global timeout for builds
 
 ### Changed
 
 * Rewrote cron expression logic in C
 * Updated codebase to V commit after 0.3.3
+* Agents now use worker threads and no longer spawn a new thread for every
+  build
+
+### Fixed
+
+* Package upload now fails if TCP connection is closed before all bytes have
+  been received
 
 ### Removed