Update API to match Ext - #64

The strategy configuration was canceled because "build.ubuntu-latest_8_3" failed

Process completed with exit code 1.

Property Tensor\Vector::$n (int<0, max>) does not accept int.

Method Tensor\Vector::__serialize() should return array<int, float> but returns array<string, array<int, float>|int<0, max>>.

Property Tensor\Matrix::$n (int<0, max>) does not accept int.

Property Tensor\Matrix::$m (int<0, max>) does not accept int.

Method Tensor\Matrix::__serialize() should return array<int, array<int, float>> but returns array<string, array<int, array<int, float>>|int<0, max>>.

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v3. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/