Maintenance Ruby 3.4 gets fixes, but no new features. Switch to Ruby 4.0 →

Gem::RequestSet::Lockfile::Tokenizer#shift

# File tmp/rubies/ruby-3.4.1/lib/rubygems/request_set/lockfile/tokenizer.rb, line 50
def next_token
  @tokens.shift
end

Alias of #next_token