Make use of full source CI base image

.gitlab-ci.yml

@@ -4,12 +4,10 @@ variables:
   DOCKER_DRIVER: overlay2
   PACKAGES_LIST: tracetools_analysis
 
+build:
   before_script:
     - git clone https://gitlab.com/micro-ROS/ros_tracing/ros2_tracing.git
-  - rosdep install --from-paths . -i . -i /root/ws --rosdistro dashing -y
     - . /root/ws/install/local_setup.sh
-
-build:
   script:
     - colcon build --symlink-install --packages-up-to $PACKAGES_LIST
     - . install/local_setup.sh