This update for dcmtk fixes the following issues:

* Fixed incorrect type conversion in the DVPSSoftcopyVOI_PList:createFromImage functionality of OFFIS DCMTK (boo#1223324, CVE-2024-28130)

- Add missing requirements for dcmtk-devel (boo#1220809)

- Update to 3.6.8
  See DOCS/CHANGES.368 for the full list of changes