[CK] Replace deprecated load_module function in python
(#7833)
## Motivation
Recent pytorch builds with python 3.15 failed in CK due to deprecation
of load_module function. This should fix the issue.
## Technical Details
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## Test Plan
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## Test Result
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## Submission Checklist
- [ ] Look over the contributing guidelines at
https://github.com/ROCm/ROCm/blob/develop/CONTRIBUTING.md#pull-requests.
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