Ruby version 2.7.0 warnings

[netbe]

To fix

/Users/netbe/.rbenv/versions/2.7.0/lib/ruby/gems/2.7.0/gems/google_drive-3.0.3/lib/google_drive/session.rb:603: warning: Using the last argument as keyword parameters is deprecated; maybe ** should be added to the call
/Users/netbe/.rbenv/versions/2.7.0/lib/ruby/gems/2.7.0/gems/google-api-client-0.30.10/generated/google/apis/drive_v3/service.rb:1171: warning: The called method `list_files' is defined here