Tensortrax

What's Changed
* Add `scipy` as optional dependency by adtzlr in https://github.com/adtzlr/tensortrax/pull/112
* Add the (Gauss) error function `math.special.erf(z)` by adtzlr in https://github.com/adtzlr/tensortrax/pull/113


**Full Changelog**: https://github.com/adtzlr/tensortrax/compare/v0.24.0...v0.25.0

**Full Changelog**: https://github.com/adtzlr/tensortrax/compare/v0.23.0...v0.24.0

What's Changed
* Fix missing `eigh` dual values by adtzlr in https://github.com/adtzlr/tensortrax/pull/111


**Full Changelog**: https://github.com/adtzlr/tensortrax/compare/v0.22.0...v0.23.0

What's Changed
* Add matrix square root `math.linalg.sqrtm()` by adtzlr in https://github.com/adtzlr/tensortrax/pull/110


**Full Changelog**: https://github.com/adtzlr/tensortrax/compare/v0.21.3...v0.22.0

What's Changed
* Use only `A.x` in `try_stack()` by adtzlr in https://github.com/adtzlr/tensortrax/pull/109


**Full Changelog**: https://github.com/adtzlr/tensortrax/compare/v0.21.2...v0.21.3

What's Changed
* flip the variations in `math.real_to_dual(A, x)` by adtzlr in https://github.com/adtzlr/tensortrax/pull/108


**Full Changelog**: https://github.com/adtzlr/tensortrax/compare/v0.21.1...v0.21.2