Backports ofnumpy#29842,numpy#29845,numpy#29846,numpy#29847.commitfe3a74cAuthor: Joren Hammudoglu <jhammudoglu@gmail.com>Date:   Wed Oct 1 03:56:24 2025 +0200    TYP: Fix incompatible defaults in ``polyfit``, ``histogram``, and ``histogramdd`` (numpy#29847)    The default values weren't assignable to the types of the parameters.commit2342cb0Author: Joren Hammudoglu <jhammudoglu@gmail.com>Date:   Wed Oct 1 03:54:37 2025 +0200    TYP: Fix signatures of ``linalg.matmul`` and ``linalg.outer`` (numpy#29846)    This fixes several issues in np.linalg.outer (positional-only params, a misplaced out=... param, and an orphanced -> _ArrayT), and also fixes linalg.matmul parameters to be positional-only.    I also snuck in an an additional overload that improves the return type if both input array-likes have the same dtype.commita8d7d13Author: Joren Hammudoglu <jhammudoglu@gmail.com>Date:   Wed Oct 1 03:53:00 2025 +0200    TYP: Add missing ``rtol`` kwarg to ``linalg.pinv`` (numpy#29845)    Apparently it was added in 2.0.0, but was missing from the stubs.commitd9f83ecAuthor: Joren Hammudoglu <jhammudoglu@gmail.com>Date:   Wed Oct 1 03:47:57 2025 +0200    TYP: Fix ``generic.__new__`` return type (numpy#29842)