Add note on python version compatibility (>3.14 not currently supported)

[banchan86]

References

• https://github.com/orgs/bonsai-rx/discussions/2470
• https://discord.com/channels/722881880122327101/1438115854356054067/1438562450873254020
• Add support for Python 3.14 pythonnet/pythonnet#2610

will also probably resolve a lot of issues with:

• Add troubleshooting article for "type initializer for 'Delegates' " error #27