Prepare next dev iteration

Update version and changelog.

Signed-off-by: zapbot <[email protected]>

Author: zapbot

CHANGELOG.md

@@ -3,6 +3,9 @@ All notable changes to this add-on will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
+## [Unreleased]
+
+
 ## [11] - 2021-09-07
 ### Added
 - active/Cross Site WebSocket Hijacking.js > an active scan for Cross-Site WebSocket Hijacking vulnerability
@@ -130,6 +133,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 - First packaged version
 
+[Unreleased]: https://github.com/zaproxy/community-scripts/compare/v11...HEAD
 [11]: https://github.com/zaproxy/community-scripts/compare/v10...v11
 [10]: https://github.com/zaproxy/community-scripts/compare/v9...v10
 [9]: https://github.com/zaproxy/community-scripts/compare/7278617af4bd1bc3d8db41c00a0437bf78ba6e51...v9

gradle.properties

@@ -1,2 +1,2 @@
-version=11
-release=true
+version=12
+release=false