Python 3.14 support

[Gattocrucco]

I'd like to switch a project to Python 3.14, all of my toolchain now supports it, but xprof doesn't. (checked 2025-11-03, xprof 2.20.9).

[Matt-Hurd]

Hi @Gattocrucco, this is absolutely on our radar. We should have this support enabled either next release, or the one after!