Bump version to 5.7.0 and stop using CHANGELOG

Author: traversaro

CHANGELOG.md

@@ -1,11 +1,8 @@
 # Changelog
-All notable changes to this project will be documented in this file.
 
-The format of this document is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
+This file documents notable changes to this project done before February 2024. For changes after that date, plase refers to the release notes of each release at https://github.com/robotology/wb-toolbox/releases .
 
-## [unreleased]
-
-## [5.6.1] - 2023-02-06
+## [5.6.1] - 2024-02-06
 
 ## Fixed
 

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 5.6.1)
+project(WB-Toolbox LANGUAGES CXX VERSION 5.7.0)
 
 if(WBT_BUILD_DOCS)
     add_subdirectory(doc)