Update puma to version 2.11.0
Update puma to version 2.11.0

codeforamerica/follow-all,BryanH/follow-all,codeforamerica/follow-all,jasnow/follow-all,BryanH/follow-all,jasnow/follow-all,jasnow/follow-all,BryanH/follow-all,codeforamerica/follow-all