Tensortrax

What's Changed
* Add `einsum4()` by adtzlr in https://github.com/adtzlr/tensortrax/pull/117
* docs: add ZAARAOUI999 as a contributor for ideas by allcontributors in https://github.com/adtzlr/tensortrax/pull/119
* docs: add adtzlr as a contributor for code, example, and 2 more by allcontributors in https://github.com/adtzlr/tensortrax/pull/120
* Update supported Python versions by adtzlr in https://github.com/adtzlr/tensortrax/pull/121

New Contributors
* allcontributors made their first contribution in https://github.com/adtzlr/tensortrax/pull/119

**Full Changelog**: https://github.com/adtzlr/tensortrax/compare/v0.25.3...v0.26.0

**Full Changelog**: https://github.com/adtzlr/tensortrax/compare/v0.25.2...v0.25.3

What's Changed
* Add API docs by adtzlr in https://github.com/adtzlr/tensortrax/pull/115
* Add new section knowledge and a new example to the docs by adtzlr in https://github.com/adtzlr/tensortrax/pull/116


**Full Changelog**: https://github.com/adtzlr/tensortrax/compare/v0.25.1...v0.25.2

What's Changed
* Fix `math.linalg.eigvalsh()` and `math.linalg.eigh()` for arrays by adtzlr in https://github.com/adtzlr/tensortrax/pull/114


**Full Changelog**: https://github.com/adtzlr/tensortrax/compare/v0.25.0...v0.25.1

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