build: improve dependencies #130

Job	Run time
pythonpackage	3m 37s
check-paths	8s
build_cpp_extensions (rcs_robotics_library)	3m 16s
build_cpp_extensions (rcs_panda)	3m 32s
build_cpp_extensions (rcs_fr3)	3m 17s
build_extensions (rcs_realsense)	3m 26s
build_cpp_extensions (rcs_so101)	3m 30s
build_extensions (rcs_usb_cam)	2m 42s
build_extensions (rcs_tacto)	3m 13s
build_extensions (rcs_xarm7)	2m 37s
	29m 18s

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