cad/openvsp: update to 3.41.2

ChangeLog: https://github.com/OpenVSP/OpenVSP/releases/tag/OpenVSP_3.41.2

• Improve displayed precision in User Parm sliders both int and float.
• Add VSPCrash() to API to help test Wrappers.
• Update on-screen file label when file name changes from GUI.
• Make relative paths passed to SetVSP3ileName absolute.
• Make vsp online help work from Python API, include files in package.
• Improve finding python from facade.
• Setup vspaero path from facade.
• Make InitGUI() stand-alone and automatically call it.
• Allow changes to GUI from API before it is open for first time.
• Fix problems opening and closing GUI from API.