0.3.x (#91)

* CI add test for macos and windows

* CI replace uv with pip

* CI avoid meson use MINGW64 but MSVC

* CI test nogil

* FEAT make NARX accept multi-output

* DOC fix warning message in plot_narx_msa

* DOC add multi-output narx example

* Add plot_narx_multi.py

* FEAT add jac for narx

* TST add divergence test for narx

* CI adopt new pixi (0.43.0) reinstall to replace manually rebuild

* MNT improve readability of grad and change grad of minimize to grad of least_squares

* MNT fix wrong grad when having missing values

* MNT fix poor msa narx results on windows

* FEAT add fd2tp and tp2fd

* FEAT add time-narx to evaluate opt speed of narx fit

* ENH speed up grad computation via Cython

* MNT fix time-narx put all code in setup and timing empty

* MNT fix nogil-h, nogil-eta put all code in setup and timing empty

* MNT output proper constant when some outputs only have intercepts

* MNT add error that some
rows of feat_ids only have -1

* TST add equivalence check for sample weights

* FEAT add param fit_intercept for NARX

* TST test printed message

* MNT fix pytest on win

* MNT specify pixi reinstall -e

* MNT use pip force-reinstall replacing pixi reinstall

* MNT add -Csetup-args=--vsenv for pixi reinstall

* FEAT add mask_missing_values in utils

* MNT black to ruff

* CI build-sdist should after test

* MNT add codespell

* DOC add pca plot for data pruning example

* DOC remove as_frame to avoide readthedocs install pandas

Author: MatthewSZhang