Draft: Experiment with using nanobind - #32411

PR summary

I'm tinkering with nanobind to re-acquaint myself with C++ after a 20+ year hiatus. This is a draft pull request so I can run CI on my experiments.

Results

Binary Size Comparison

(darwin, arm64)

Compilation Time Comparison

AI Disclosure

• I use AI for web search due to search engines becoming less reliable.
• I used AI to port small snippets of code from pybind to nanobind. I then took the same approach and manually ported sections myself.
• I used AI for help with the C++ STL.

PR quality check

• Use an expressive title, e.g. "Fix title font property precedence"
• [/] New and changed code is tested
• [/] Plotting related features are demonstrated in an example
• [/] New features and API changes have release notes
• [/] Documentation complies with general and docstring guidelines