Add support for scipy >= 1.12 (where `scipy.misc.derivative` is no longer available). Thanks to junobonnie for the suggestion.
What's Changed
* replace scipy.misc.derivative by yymao in https://github.com/yymao/TracyWidom/pull/3
**Full Changelog**: https://github.com/yymao/TracyWidom/compare/v0.3.0...v0.4.0