[cmake] Update required simbody version to 3.6.
[cmake] Update required simbody version to 3.6.
opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core