Update the ref to vtkDICOM remote module

This brings vtkDICOM v0.8.17 from upstream:
- Update dictionary and UIDs for DICOM 2024d
- Fix planar YBR write beyond end of image memory
- Fix thread-safety issue with DCMTK codecs
- Fix loop termination in NIFTI reader/writer

Remote/vtkDICOM.remote.cmake

@@ -5,5 +5,5 @@
 vtk_fetch_module(vtkDICOM
   "Dicom classes and utilities"
   GIT_REPOSITORY https://github.com/dgobbi/vtk-dicom
-  GIT_TAG 65ec1e7afd33c0f56a82195272d7d10b4ef634a3
+  GIT_TAG d29a996ab2a49375a59cef5e381c1c25185ffa50
   )