build(franka): require system install poco to reduce compilation load #139

Job	Run time
pythonpackage	3m 27s
check-paths	8s
build_cpp_extensions (rcs_panda)	3m 11s
build_extensions (rcs_tacto)	3m 5s
build_extensions (rcs_realsense)	2m 55s
build_extensions (rcs_xarm7)	2m 56s
build_cpp_extensions (rcs_robotics_library)	3m 11s
build_cpp_extensions (rcs_so101)	3m 12s
build_extensions (rcs_usb_cam)	2m 59s
build_cpp_extensions (rcs_fr3)	2m 55s
	27m 59s

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