Use sudo

.github/workflows/ci.yaml

@@ -33,7 +33,7 @@ jobs:
         working-directory: ros_ws
         run: |
           # gflags is required by drake_cmake_installed
-          apt-get update && apt-get install -y libgflags-dev
+          sudo apt-get update && sudo apt-get install -y libgflags-dev
           . /opt/ros/rolling/setup.bash
           . install/setup.bash
           colcon build --merge-install --packages-select drake_cmake_installed drake_cmake_installed_apt drake_ament_cmake_installed --event-handlers=console_direct+