add git status to sample checking ci #28

Job	Run time
check (ros2_cpp_pkg, ros2_cpp_pkg, ros2_cpp_node, false, false, true, true, true, true, false, fa...	1s
check (ros2_cpp_component_pkg, ros2_cpp_pkg, ros2_cpp_node, true, false, true, true, true, true, ...	9s
check (ros2_cpp_lifecycle_pkg, ros2_cpp_pkg, ros2_cpp_node, false, true, true, true, true, true, ...	10s
check (ros2_cpp_all_pkg, ros2_cpp_pkg, ros2_cpp_node, true, true, true, true, true, true, true, t...	9s
check (ros2_python_pkg, ros2_python_pkg, ros2_python_node, false, true, true, true, true, false, ...	1s
check (ros2_python_all_pkg, ros2_python_pkg, ros2_python_node, false, true, true, true, true, tru...	1s
check (ros2_interfaces_pkg, ros2_interfaces_pkg)	1s
	32s

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