Update sc_pack ctl command
In https://docs.accelerator.shimmercat.com we have sc_pack ctl command which no longer works as mentioned in the docs, example https://docs.accelerator.shimmercat.com/explanation/sc_pack/using_sc_pack.html?highlight=sc_pack%20ctl
Its current behaviour is mentioned in, https://gitlab.zunzun.se/acceleration-program/sc_pack/issues/167
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