Merge pull request #545 from QIICR/ci/finalize-harden-and-win-publish

CI: inline Windows publish + harden "latest" tag move

Merge pull request #536 from QIICR/Ft_itk2label

Add direct ITK to DICOM Labelmap conversion

Merge pull request #532 from QIICR/workflows-improvements

GitHub workflows improvements

Merge pull request #527 from fedorov/deprecate-scikit

Deprecate scikit, simplify release process

cmake: Set DCMQI version to 1.5.1

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>