surfshark-vpn-cli-bin is the CLI package provided by Surfshark. This is different to the GUI package.
See this link for a guide from Surfshark for installing their CLI client

29 Mar 2024, 13:53 by
SonTypImInternet [1] filed a deletion request for surfshark-vpn-cli-
bin [2]:

since this package has not bin updateded for nearly a year, better
delete this, as it is not up to date anymore.