Update README.md

Author: facontidavide

README.md

@@ -2,7 +2,7 @@
 ![Version](https://img.shields.io/badge/version-4.6-blue.svg)
 [![conan Ubuntu](https://github.com/BehaviorTree/BehaviorTree.CPP/actions/workflows/cmake_ubuntu.yml/badge.svg)](https://github.com/BehaviorTree/BehaviorTree.CPP/actions/workflows/cmake_ubuntu.yml)
 [![conan Windows](https://github.com/BehaviorTree/BehaviorTree.CPP/actions/workflows/cmake_windows.yml/badge.svg)](https://github.com/BehaviorTree/BehaviorTree.CPP/actions/workflows/cmake_windows.yml)
-[![ros2](https://github.com/BehaviorTree/BehaviorTree.CPP/workflows/ros2/badge.svg?branch=master)](https://github.com/BehaviorTree/BehaviorTree.CPP/actions?query=workflow%3Aros2)
+[![ros2](https://github.com/BehaviorTree/BehaviorTree.CPP/actions/workflows/ros2.yaml/badge.svg)](https://github.com/BehaviorTree/BehaviorTree.CPP/actions/workflows/ros2.yaml)
 [![pixi (Conda)](https://github.com/BehaviorTree/BehaviorTree.CPP/actions/workflows/pixi.yaml/badge.svg)](https://github.com/BehaviorTree/BehaviorTree.CPP/actions/workflows/pixi.yaml)
 
 # BehaviorTree.CPP 4.7