Release v5.6.0 (#235)

Author: traversaro

CHANGELOG.md

@@ -5,6 +5,8 @@ The format of this document is based on [Keep a Changelog](https://keepachangelo
 
 ## [unreleased]
 
+## [5.6.0] - 2022-10-21
+
 ### Changed
 - Add adaptive_rho, polish and maximum iteration options for `OSQP` block (https://github.com/robotology/wb-toolbox/pull/234#issuecomment-1284136010).
 - Remove deprecated functions from `OSQP` block (https://github.com/robotology/wb-toolbox/pull/234#issuecomment-1284136010).

CMakeLists.txt

@@ -3,7 +3,7 @@
 # GNU Lesser General Public License v2.1 or any later version.
 
 cmake_minimum_required(VERSION 3.5)
-project(WB-Toolbox LANGUAGES CXX VERSION 5.5.0)
+project(WB-Toolbox LANGUAGES CXX VERSION 5.6.0)
 
 if(WBT_BUILD_DOCS)
     add_subdirectory(doc)