docs: CHANGELOG [fix] A new event is created even though all past events have not been applied

Author: tksugimoto

CHANGELOG.md

@@ -30,6 +30,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Starting a follower member later than leader completes a compaction may break ReplicatedLog of the follower [#105](https://github.com/lerna-stack/akka-entity-replication/issues/105)
 - The Raft leader uses the same previous `LogEntryIndex` and `Term` to all batched `AppendEntries` messages [#123](https://github.com/lerna-stack/akka-entity-replication/issues/123)
 - Raft Actors doesn't accept a `RequestVote(lastLogIndex < log.lastLogIndex, lastLogTerm > log.lastLogTerm)` message [#125](https://github.com/lerna-stack/akka-entity-replication/issues/125)
+- A new event is created even though all past events have not been applied [#130](https://github.com/lerna-stack/akka-entity-replication/issues/130)
 
 ## [v2.0.0] - 2021-07-16
 [v2.0.0]: https://github.com/lerna-stack/akka-entity-replication/compare/v1.0.0...v2.0.0