bug in the deprecation docstring for setslave/setmaster and few other surrounding funcs, it's not pointing to the new func

[actionless]

indeed, it seems to be a bug in the docstring, it's not pointing to the new function which should be used instead: https://awesomewm.org/apidoc/core_components/client.html#to_secondary_section

Originally posted by @actionless in #3984 (reply in thread)