fix: changelog version v0.13 (#115)

Author: RafilxTenfen

CHANGELOG.md

@@ -39,9 +39,14 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
 ### Improvements
 
+* [#114](https://github.com/babylonlabs-io/covenant-emulator/pull/114) bump babylon to v1.0.0-rc.8
 * [#109](https://github.com/babylonlabs-io/covenant-emulator/pull/109) HMAC authentication between signer and emulator.
+
+## v0.13.0
+
+### Improvements
+
 * [#110](https://github.com/babylonlabs-io/covenant-emulator/pull/110) bump babylon to v1.0.0-rc.7
-* [#114](https://github.com/babylonlabs-io/covenant-emulator/pull/114) bump babylon to v1.0.0-rc.8
 
 ### Bug Fixes