Update changelog

CHANGELOG.md

@@ -5,12 +5,14 @@ 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).
 
-## 3.23.0 - 2026-07-10
+### Unreleased
 
 ### Added
 
 - Exposed the `DATA_SOURCE_FEAR_AND_GREED_INDEX_STOCKS` environment variable to set the data source of the _Fear & Greed Index_ (market mood)
 
+## 3.23.0 - 2026-07-10
+
 ### Changed
 
 - Migrated the deprecated `@nx/webpack:webpack` executor to `@nx/webpack/plugin`