services/horizon: Update Changelog

services/horizon/CHANGELOG.md

@@ -5,6 +5,23 @@ file. This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## Unreleased
 
+## 2.30.0
+
+### Added
+
+- Bump XDR for protocol 21 ([5275](https://github.com/stellar/go/pull/5275))
+- Log tx meta when ingestion failures occur ([5268](https://github.com/stellar/go/pull/5268))
+- Add deprecation warning for `--captive-core-use-db` ([5231](https://github.com/stellar/go/pull/5231))
+- Remove unnecessary use of ChangeCompactor to reduce memory bloat during ingestion ([5252](https://github.com/stellar/go/pull/5252))
+
+### Fixed
+-  Optimized reingestion by addressing performance slowdown due to unnecessary operations on `history_transactions_filtered_tmp`. Removed obsolete `EnableIngestionFiltering` flag. ([5278](https://github.com/stellar/go/pull/5278))
+- Reduce memory consumption of CheckpointChangeReader during state verification and state rebuild ([5270](https://github.com/stellar/go/pull/5270))
+- Fix deadlock in parallel ingestion ([5263](https://github.com/stellar/go/pull/5263))
+- Add missing tables to TruncateIngestStateTables() ([5253](https://github.com/stellar/go/pull/5253))
+
+### Breaking Changes
+
 ## 2.29.0
 
 ### Added