Release 12.0.16

windows: 97974efbd12bd640c144ee34913cce59d8860d4cb3cba31ea044fc3921f1d17c ./windows-v12.0.16/workloader.exe
mac: e955ea97a8243884ac4c8b5a666a197c4ba15d9578c362f9a1d647272b544eea ./mac-v12.0.16/workloader
linux amd64: f3f9c2fabdcbf97e1ecf7210090ca0aca58e3a8515932a6bd40c471e8aa85c43 ./linux_amd64-v12.0.16/workloader
linux arm: d6ae3748879036fefaa0b8d3d4479084b666ff5e383abf3baefbaed3305d9342 ./linux_arm-v12.0.16/workloader