build: increment version & add devel chlog entry

Author: dviererbe

CHANGELOG.md

@@ -5,6 +5,8 @@ All notable changes to the VS Code systemd extension will be documented in this
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
 ## [0.0.3] - 02 June 2026
 
 ### Fixed
@@ -47,6 +49,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * unit file installation
 * service startup visualization
 
+[unreleased]: https://github.com/dviererbe/vscode-systemd/compare/v0.0.3...HEAD
 [0.0.3]: https://github.com/dviererbe/vscode-systemd/compare/v0.0.2...v0.0.3
 [0.0.2]: https://github.com/dviererbe/vscode-systemd/compare/v0.0.1...v0.0.2
 [0.0.1]: https://github.com/dviererbe/vscode-systemd/releases/tag/v0.0.1

package.json

@@ -3,7 +3,7 @@
     "displayName": "systemd",
     "description": "Makes it easy to create, manage, and inspect systemd units.",
     "icon": "resources/extension-icon.png",
-    "version": "0.0.3",
+    "version": "0.0.4",
     "preview": true,
     "publisher": "dviererbe",
     "license": "AGPL-3.0-or-later",