Merge pull request #8180 from nandahkrishna/migrate-livecheck

Library/Homebrew/dev-cmd/livecheck.rb

Library/Homebrew/env_config.rb

Library/Homebrew/official_taps.rb

Library/Homebrew/test/.rubocop_todo.yml

Library/Homebrew/test/dev-cmd/livecheck_spec.rb

completions/bash/brew

completions/fish/brew.fish

completions/internal_commands_list.txt

completions/zsh/_brew

docs/Manpage.md

manpages/brew.1