Bump release to 6.1.0 (#1014)

Author: traversaro

CHANGELOG.md

@@ -9,6 +9,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [6.1.0] - 2022-08-18
+
 ### Added
 - Added creation of sub model object starting from the full model and a sub traversal (https://github.com/robotology/idyntree/pull/1011).
 

CMakeLists.txt

@@ -8,7 +8,7 @@
 
 cmake_minimum_required(VERSION 3.16)
 
-project(iDynTree VERSION 6.0.0
+project(iDynTree VERSION 6.1.0
                  LANGUAGES C CXX)
 
 # Disable in source build, unless Eclipse is used