Pycgdescent

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**Dependencies**

* Added official support for Python 3.13.

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**Fixes**

* Do not build and publish wheels for Python 3.9.

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**Fixes**

* Update CI Python version matrix to exclude 3.9.

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**Dependencies**

* Bumped minimum Python version to 3.10 to match the newly released numpy 2.1.

**Features**

* Various maintenance updates (bumping CI dependencies, linting, fixing docs).

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**Features**

* Publishing wheels to PyPI.
* Tested and working on numpy 2.0.
* Use ``pybind11-stubgen`` to generate the type annotations for the internal
``_cg_descent`` module.
* Various maintenance updates (bumping CI dependencies, linting, fixing docs).

**Fixes**

* Fix ``sphinx-autoapi`` doc build.
* Fix the gradient in a test case.

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**Fixes**

* Fix the meson build without BLAS and other related issues.