fix: remove compiler deprecation warning re: List.zip/1

[mwilsoncoding]

Using Elixir v1.18.4

$ mix deps.compile gen_state_machine
==> gen_state_machine
Compiling 3 files (.ex)
    ...

    warning: List.zip/1 is deprecated. Use Enum.zip/1 instead
    │
 62 │       |> List.zip()
    │               ~
    │
    └─ lib/gen_state_machine/translator.ex:62:15: GenStateMachine.Translator.do_translate/4
...