Update CHANGELOG.md

Author: dhedey

CHANGELOG.md

@@ -64,6 +64,8 @@
 
 ## v1.3.1
 
+### Other changes
+
 * [#1063](https://github.com/radixdlt/babylon-node/pull/1063) - Permits configuring larger values of `state_hash_tree.state_version_history_length` up to `9,223,372,036,854,775,807`, although we currently advise against running with full history; due to very large disk usage.
 
 ## v1.3.0