[Release][Python] Fix universal2 platform tag in verification script

[kszucs]

[github-actions[bot]]

Thanks for opening a pull request!

If this is not a minor PR. Could you open an issue for this pull request on JIRA? https://issues.apache.org/jira/browse/ARROW

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Then could you also rename pull request title in the following format?

ARROW-${JIRA_ID}: [${COMPONENT}] ${SUMMARY}

or

MINOR: [${COMPONENT}] ${SUMMARY}

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• Other pull requests
• Contribution Guidelines - How to contribute patches

[amol-]

Closing because it has been untouched for a while, in case it's still relevant feel free to reopen and move it forward 👍