[backport] v1.16 fix gazebo install on ROS integration tests (#25344)

* ci: update rosdistro apt keys (#25060)

Signed-off-by: Ramon Roche <[email protected]>

* ci: use release/1.16 branch for px4-ros2-interface-lib integration tests

---------

Signed-off-by: Ramon Roche <[email protected]>
Co-authored-by: Beat Küng <[email protected]>

Author: mrpollo

.github/workflows/ros_integration_tests.yml

@@ -11,13 +11,11 @@ on:
     - 'main'
     paths-ignore:
       - 'docs/**'
-      - '.github/**'
   pull_request:
     branches:
       - '**'
     paths-ignore:
       - 'docs/**'
-      - '.github/**'
 
 jobs:
   build:
@@ -33,6 +31,12 @@ jobs:
     - name: Git Ownership Workaround
       run: git config --system --add safe.directory '*'
 
+    - name: Update ROS Keys
+      run: |
+        sudo rm /etc/apt/sources.list.d/ros2.list && \
+        sudo curl -sSL https://raw.githubusercontent.com/ros/rosdistro/master/ros.key -o /usr/share/keyrings/ros-archive-keyring.gpg && \
+        echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/ros-archive-keyring.gpg] http://packages.ros.org/ros2/ubuntu $(. /etc/os-release && echo $UBUNTU_CODENAME) main" | sudo tee /etc/apt/sources.list.d/ros2.list > /dev/null
+
     - name: Install gazebo
       run: |
         apt update && apt install -y gazebo11 libgazebo11-dev gstreamer1.0-plugins-bad gstreamer1.0-plugins-base gstreamer1.0-plugins-good gstreamer1.0-plugins-ugly libgstreamer-plugins-base1.0-dev
@@ -81,7 +85,7 @@ jobs:
         . /opt/ros/galactic/setup.bash
         mkdir -p /opt/px4_ws/src
         cd /opt/px4_ws/src
-        git clone --recursive https://github.com/Auterion/px4-ros2-interface-lib.git
+        git clone --recursive --branch release/1.16 https://github.com/Auterion/px4-ros2-interface-lib.git
         cd ..
         # Copy messages to ROS workspace
         "${PX4_DIR}/Tools/copy_to_ros_ws.sh" "$(pwd)"