Install the gz commandline from the OSRF PPA

.github/workflows/ci_cd.yml

@@ -104,7 +104,11 @@ jobs:
         if: matrix.type == 'apt'
         run: |
           sudo apt-get update
-          sudo apt-get install -y --no-install-recommends gazebo
+          sudo apt-get install lsb-release wget gnupg
+          wget https://packages.osrfoundation.org/gazebo.gpg -O /usr/share/keyrings/pkgs-osrf-archive-keyring.gpg
+          echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/pkgs-osrf-archive-keyring.gpg] http://packages.osrfoundation.org/gazebo/ubuntu-stable $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/gazebo-stable.list > /dev/null
+          sudo apt-get update
+          sudo apt-get install --no-install-recommends libsdformat13 libgz-utils2
 
       - name: Install conda dependencies
         if: matrix.type == 'conda'