chore: update release date for version 0.4.0 in CHANGELOG.md

Author: tercel

CHANGELOG.md

@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 Format: [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 
-## [0.4.0] - 2026-03-28
+## [0.4.0] - 2026-03-29
 
 ### Added
 - **Verbose help mode** — Built-in apcore options (`--input`, `--yes`, `--large-input`, `--format`, `--sandbox`) are now hidden from `--help` output by default. Pass `--help --verbose` to display the full option list including built-in options.