Fix release workflow, again

[leofang]

Description

one more fix to follow up #705

Checklist

• New or existing tests cover these changes.
• The documentation is up to date with these changes.

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[leofang]

Confirm fixed:

• https://github.com/NVIDIA/cuda-python/actions/runs/15613900181
• https://test.pypi.org/project/cuda-core/0.3.0/

[github-actions]

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