Add MatX, update ORT version, pybind11 version

[xadupre]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 84.71%. Comparing base (5004ce6) to head (feb9e33).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
onnx_extended/__init__.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #189   +/-   ##
=======================================
  Coverage   84.71%   84.71%           
=======================================
  Files          58       58           
  Lines        7060     7060           
=======================================
  Hits         5981     5981           
  Misses       1079     1079           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.