build: add itkFloatTypesJSON.h to KWStyle namespace disable

For the glaze specialization.

Author: thewtex

ITKKWStyleOverwrite.txt

@@ -5,3 +5,4 @@ itkSupportInputImageTypesMemoryIOTest\.cxx Namespace Disable
 itkSupportInputMeshTypesTest\.cxx Namespace Disable
 itkSupportInputMeshTypesMemoryIOTest\.cxx Namespace Disable
 itkSupportInputPolyDataTypesTest\.cxx Namespace Disable
+itkFloatTypesJSON\.h Namespace Disable