prepare next release

Author: julianspeith

CHANGELOG.md

@@ -4,7 +4,7 @@ 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]
+## [3.3.0] - 2021-10-13 16:20:00+02:00 (urgency: medium)
 * **WARNING:** this release partially breaks the `GateType` API, please make sure to adjust your code accordingly.
 * added user action system to enable recording and reverting actions within the GUI
   * moved most GUI actions to the new user action system, including interactions with the graph view and view management

CURRENT_VERSION

@@ -1 +1 @@
-3.2.6
+3.3.0