Prepare for 2.0.4

Author: benoit74

CHANGELOG.md

@@ -5,6 +5,8 @@ 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]
+
 ## [2.0.3] - 2025-11-25
 
 ### Added

scraper/src/fcc2zim/__about__.py

@@ -1 +1 @@
-__version__ = "2.0.3"
+__version__ = "2.0.4-dev0"