testing/opencolorio: upgrade to 2.0.0
Blender needs an update to use OCIOv2 see https://devtalk.blender.org/t/updating-ocio-support-for-v2/15504
Edited by Damian Kurek
Blender needs an update to use OCIOv2 see https://devtalk.blender.org/t/updating-ocio-support-for-v2/15504