added maxpool1d onnx operator

[Arjun31415]

Pull Request Template

Checklist

• Confirmed that run-checks all script has been executed.
• Made sure the book is up to date with changes in this PR.

Related Issues/PRs

#1714

Changes

Summarize the problem being addressed and your solution.

Testing

Describe how these changes have been tested.

[antimora]

Thank you for your help adding ONNX ops. Overall, it looks perfect with minor required changes. One unit test is failing and I commented on it. Here is the failed test:

[codecov]

Codecov Report

Attention: Patch coverage is 99.43820% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 86.52%. Comparing base (152509c) to head (7658d55).
Report is 1 commits behind head on main.

Files	Patch %	Lines
crates/burn-core/src/nn/pool/max_pool1d.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1725      +/-   ##
==========================================
+ Coverage   86.47%   86.52%   +0.05%     
==========================================
  Files         698      699       +1     
  Lines       82874    83057     +183     
==========================================
+ Hits        71667    71867     +200     
+ Misses      11207    11190      -17     

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[Arjun31415]

@antimora fixed. The flake being commited was an issue on my end ( I am using nixos and need to specify the dependencies required to build the project for reproducibility ). Force pushed so that these files don't appear in the commit history of the repo

[nathanielsimard]

LGTM

[antimora]

LGTM

Thank you for your contribution!