ICM fixes (3/n) (#27925)
### Description
Fix ICM issue:
https://portal.microsofticm.com/imp/v5/incidents/details/31000000567822/summary
The ICM is mainly about 2 issues in `validate_package.py` which was
fixed by https://github.com/microsoft/onnxruntime/pull/27840.
But the ICM also references another issue in `whisper_jump_times.py`
which is what this PR fixes
### Motivation and Context
ICM fixes
