chore: upgrade torch to allow 2.9

[Ssukriti]

for AIU SW stack release 1.1 , we are upgrading torch to 2.9 . See: https://github.ibm.com/ai-foundation/aiu-app-sw-tracker/issues/1374 .

It would be good to have fms allow 2.9 to avoid dep conflicts.

Description of the change

Upgrades torch to allow 2.9

Related issues or PRs

https://github.ibm.com/ai-foundation/aiu-app-sw-tracker/issues/1374

How to verify the PR

tests on PR should pass

Was the PR tested

Only CI/CD tests on this PR - let me know if more testing is needed

• I have added >=1 unit test(s) for every new method I have added (if that coverage is difficult, please briefly explain the reason)
• I have ensured all unit tests pass

Checklist for passing CI/CD:

• All commits are signed showing "Signed-off-by: Name <email@domain.com>" with git commit -signoff or equivalent
• PR title and commit messages adhere to Conventional Commits
• Contribution is formatted with tox -e fix
• Contribution passes linting with tox -e lint
• Contribution passes spellcheck with tox -e spellcheck
• Contribution passes all unit tests with tox -e unit

Note: CI/CD performs unit tests on multiple versions of Python from a fresh install. There may be differences with your local environment and the test environment.

[chichun-charlie-liu]

#192 just merged, will re-run failed checks before merging this PR.