Fix workflow

Author: Piruri

.github/workflows/main.yml

@@ -120,6 +120,7 @@ jobs:
           source /opt/ros/"$(rosversion -d)"/setup.bash
           cd ./src/$REPO_NAME
           catkin_generate_changelog -y --all --skip-contributors --skip-merges --print-root > ./changelog.rst
+          mv ./changelog.rst $GITHUB_WORKSPACE
         shell: bash
 
       #Upload the changelog file as an artifact