Update lambda function runtime from Python 3.9 to Python 3.12

[didier-danloy]

Python 3.9 has been discontinued and following an internal IcM and code change, this function code now support Python 3.12

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Pull request overview

This PR updates the documentation to reflect the upgrade of the AWS Lambda function runtime from Python 3.9 to Python 3.12, following the discontinuation of Python 3.9 support and corresponding code updates.

• Updated runtime version references from Python 3.9 to Python 3.12 in the AWS connector documentation

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[ttorble]

@didier-danloy This pull request was opened in the public repo. PMs should work in the private repo, per the Microsoft Docs contributor guide. I'll leave this PR open in case @batamig wants to review it here. If you decide to open a new PR in the private repo, please close this PR. Thanks.

@batamig

Can you review the proposed changes? If you are no longer the author, can you reassign this PR and create a PR in the private repo to update the author metadata?

IMPORTANT: When the changes are ready for publication, adding a #sign-off comment is the best way to signal that the PR is ready for the review team to merge.

#label:"aq-pr-triaged"
@MicrosoftDocs/public-repo-pr-review-team