fix: update changelog

Author: hstove

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to the versioning scheme outlined in the [README.md](RE
 
 ## Unreleased
 
+### Added
+
+- When determining a global transaction replay set, the state evaluator now uses a longest-common-prefix algorithm to find a replay set in the case where a single replay set has less than 70% of sigher weight.
+
 ### Fixed
 
 - Fixed a typo in the metrics_identifier route from `/v2/stackedb/:principal/:contract_name/replicas` to `/v2/stackerdb/:principal/:contract_name/replicas`. Note: This may be a breaking change for systems relying on the incorrect route. Please update any metrics tools accordingly.