awscli@1: backport support for Python 3.14

[cho-m]

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Only dependency change missing is botocore but I didn't see any Python 3.14 changes after 1.40.50

[Copilot]

Pull Request Overview

This PR backports Python 3.14 support to awscli@1 by updating the Python dependency and applying an upstream patch. The patch is temporary and scheduled for removal in version 1.42.60.

• Updates Python dependency from 3.13 to 3.14
• Backports Python 3.14 support patch from upstream commit
• Adds documentation and metadata updates for Python 3.14 compatibility

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[github-actions]

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