WIP Bump Python version to 3.13

[JimMadge]

✅ Checklist

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🚦 Depends on

⤴️ Summary

Note, this requires updating psycopg beyond what it was previously pinned to.

🌂 Related issues

🔬 Tests

[jemrobinson]

I'm not comfortable dropping support for macOS 13 yet. Can we work on removing the need for psycopg before doing this?

This would need the following issues to be closed:

• Automatically update connection database to reflect available VMs #1833
• Simplify GuacamoleUsers lookup #2262

[github-actions]

Coverage report

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