merge-homebrew: use named_args max (#190)
merge-homebrew: use named_args max (#190)

Fixes:
Error: Calling `max_named` is deprecated! Use `named_args max:` instead.
Please report this issue to the homebrew/linux-dev tap (not Homebrew/brew or Homebrew/core), or even better, submit a PR to fix it:
  /home/linuxbrew/.linuxbrew/Homebrew/Library/Taps/homebrew/homebrew-linux-dev/cmd/merge-homebrew.rb:26
Linuxbrew/homebrew-developer