Advisories for Conan/Assimp package

An issue was discovered with assimp 5.1.4, a use after free occurred in function ColladaParser::ExtractDataObjectFromChannel in file /code/AssetLib/Collada/ColladaParser.cpp.

Open Asset Import Library (assimp) commit 3c253ca was discovered to contain a segmentation violation via the component Assimp::XFileImporter::CreateMeshes.

Open Asset Import Library (aka assimp) has a heap-based buffer overflow in _m3d_safestr (called from m3d_load and Assimp::M3DWrapper::M3DWrapper).