Github workflows : Use Python script for Arnold versions
Github workflows : Use Python script for Arnold versions

- MSVC has trouble building from a bash shell. See https://github.com/ilammy/msvc-dev-cmd#name-conflicts-with-shell-bash

GafferHQ/gaffer,johnhaddon/gaffer,GafferHQ/gaffer,andrewkaufman/gaffer,hradec/gaffer,hradec/gaffer,johnhaddon/gaffer,johnhaddon/gaffer,hradec/gaffer,andrewkaufman/gaffer,johnhaddon/gaffer,GafferHQ/gaffer,hradec/gaffer,GafferHQ/gaffer,andrewkaufman/gaffer,GafferHQ/gaffer,johnhaddon/gaffer,andrewkaufman/gaffer,hradec/gaffer,andrewkaufman/gaffer