fix(launch): disable publish_pointcloud by default for nebula and seyond #143

Job	Run time
build-and-push (docker/calibration, tier4/pkg-drs-calibration:latest, ghcr.io/tier4/pkg-drs-calib...	21m 57s
build-and-push (docker/runtime, tier4/pkg-drs-runtime:latest, ghcr.io/tier4/pkg-drs-runtime, true)	15m 9s
build-and-push (docker/ros2_bridge, tier4/drs-ros2-bridge:latest, ghcr.io/tier4/pkg-drs-ros2-brid...	2m 13s
	39m 19s

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