fix: memory leak from missing deletes of raw heap allocations; big issue within create_shape() python lib

src/ifcgeom/AbstractKernel.cpp

@@ -206,6 +206,8 @@ ifcopenshell::geometry::kernels::AbstractKernel* ifcopenshell::geometry::kernels
 			}
 #endif
 			if (kernels.size() != n + 1) {
+                for (auto k : kernels)
+                    delete k;
 				throw IfcParse::IfcException("Invalid hybrid kernel " + geometry_library);
 			}
 		}