Remove Python 3.12 from the build tests in python-test.yaml

[jeongyoonlee]

Proposed changes

Python 3.12 is not supported by Torch yet and it currently breaks the builds. I've rerun tests for 3.7 through 3.11 and all succeeded.

Types of changes

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• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices apply)

Checklist

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• I have read the CONTRIBUTING doc
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• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
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• Any dependent changes have been merged and published in downstream modules

Further comments

N/A