Update changelog

CHANGELOG.md

@@ -5,6 +5,16 @@ All notable changes to this project will be documented in this file.
 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
+
+### Changed
+
+- Migrated the client to the code generated by the new `prisma-client` generator of _Prisma_
+
+### Todo
+
+- Generate the database typings (`npm run database:generate-typings`)
+
 ## 3.75.0 - 2026-09-28
 
 ### Changed