Update build_aarch64.yml

.github/workflows/build_aarch64.yml

@@ -29,13 +29,13 @@ jobs:
           install: |
             apt-get update
             apt-get install -y curl gnupg lsb-release git
+
+          # Set an output parameter `uname` for use in subsequent steps
+          run: |
             sudo curl -s https://raw.githubusercontent.com/ros/rosdistro/master/ros.key -o /usr/share/keyrings/ros-archive-keyring.gpg
             echo "deb [signed-by=/usr/share/keyrings/ros-archive-keyring.gpg] http://packages.ros.org/ros2/ubuntu $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/ros2.list > /dev/null
             sudo apt update
             sudo apt install -y python3-colcon-common-extensions python3-rosdep python3-vcstool
-
-          # Set an output parameter `uname` for use in subsequent steps
-          run: |
             mkdir -p ros_ws/src
             cd ros_ws/src
             git clone https://${{ secrets.MY_GITHUB_TOKEN }}@github.com/RaduLucianR/ros2-latency-analysis.git