bug#24092: installation of password-store doesn't require installation of tree

[Tomáš Čech]

I installed `password-store' and simple invocation failed:

 $ LC_ALL=C pass
 Password Store
 /home/tcech/.guix-profile/bin/pass: line 324: tree: command not found

After manually installing `tree' package it works as expected.

A `pass' is bash script, shouldn't be inputs be changed to propagated-inputs?
   (inputs `(("gnupg" ,gnupg)
             ("pwgen" ,pwgen)
             ("xclip" ,xclip)
             ("git" ,git)
             ("tree" ,tree)
             ("which" ,which)))

Best regards,

S_W

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