Release 12.0.15

windows: aba2168a2e116caea9f50a4af63bf568e43270316c85c1fb2c3093f16eea0bb1 ./windows-v12.0.15/workloader.exe
mac: c4890ec65aa6794fc1a284b568c33c469676420503559b31ea49c251dd5032b9 ./mac-v12.0.15/workloader
linux amd64: 8ac037eb1da08bbf399a470f4dd600cb077f8bb4a31c5caf8d5106c39ad9bf5d ./linux_amd64-v12.0.15/workloader
linux arm: 16f8704b23546d1fd7fa92beea674838289679f2f1110fc311da528e4c380b3d ./linux_arm-v12.0.15/workloader