Draft: testing/opencascade: upgrade to 7.6.0
This MR upgrades OpenCascade to 7.6.0, modifies patches to get OpenCascade to compile, and then bumps pkgrel
of FreeCAD to rebuild against the new version of OpenCascade.
This MR upgrades OpenCascade to 7.6.0, modifies patches to get OpenCascade to compile, and then bumps pkgrel
of FreeCAD to rebuild against the new version of OpenCascade.