dciodvfy: upstream snapshot needs attention

[github-actions]

Automated dciodvfy-watch finding (pinned: dicom3tools_macexe_1.00.snapshot.20260320044638.zip):

• ℹ️ A newer upstream snapshot is available: dicom3tools_macexe_1.00.snapshot.20260624055945.zip.

To refresh: download the desired snapshot from https://www.dclunie.com/dicom3tools/workinprogress/macexe/, upload it (+ dicom3tools-COPYRIGHT.txt) as a new WSILabs/dicom3tools-mirror release (v2, …), bump the pin in .github/workflows/ci.yml (Download dciodvfy step + cache key), and let the DICOM conformance gate re-validate against it.