chore: import upstream snapshot with attribution

cmake/checks/vtk_test.cpp

@@ -0,0 +1,9 @@
+#include <vtkSmartPointer.h>
+#include <vtkTransform.h>
+#include <vtkMath.h>
+
+int main()
+{
+  vtkSmartPointer<vtkTransform> transform = vtkSmartPointer<vtkTransform>::New();
+  return 0;
+}