Update changelog

Author: ja573

CHANGELOG.md

@@ -5,9 +5,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+
+## [[0.12.9]](https://github.com/thoth-pub/thoth/releases/tag/v0.12.9) - 2024-09-06
 ### Added
   - [595](https://github.com/thoth-pub/thoth/issues/595), [626](https://github.com/thoth-pub/thoth/pull/626) - Remove infrequently used and unused work statuses (unspecified, no longer our product, out of stock indefinitely, out of print, inactive, unknown, remaindered, recalled). Require a publication date for active, withdrawn, and superseded works in Thoth. Add a new `Superseded` work status to replace Out of Print for older editions of Works. Require a withdrawn date for Superseded works.
-  - [582](https://github.com/thoth-pub/thoth/issues/582) - Add Crossmark metadata in Crossref DOI deposit when a Crossmark policy is present in the publisher record. Add Crossmark update new_edition metadata when a book is replaced by a new edition, and withdrawal metadata when a book is withdrawn from sale.
+  - [582](https://github.com/thoth-pub/thoth/issues/582) - Add Crossmark metadata in Crossref DOI deposit when a Crossmark policy is present in the publisher record. Add Crossmark update new\_edition metadata when a book is replaced by a new edition, and withdrawal metadata when a book is withdrawn from sale.
   - [574](https://github.com/thoth-pub/thoth/issues/574), [626](https://github.com/thoth-pub/thoth/pull/626) - Add descriptions to all remaining items in schema
 
 ### Fixed