Prepare 1.9.1 relese

Author: MarioBlazek

doc/CHANGELOG.md

@@ -6,6 +6,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [1.9.1] - 2021-02-01
+### Fixed
+- The netgen.default.information_collection.form.use_csrf parameter was directly injected into service, now it is retrieved via ConfigResolver
+
 ## [1.9.0] - 2020-03-24
 ### Changed
 - Parameters are now consumed through ConfigResolver (instead of being injected)