feat: Less + LessOrEqual onnx import

[JachymPutta]

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

Provide links to relevant issues and dependent PRs.

Changes

Added the less and lessOrEqual operators to the onnx import

Testing

Tested locally with
cargo test less

[codecov]

Codecov Report

Attention: Patch coverage is 95.45455% with 4 lines in your changes are missing coverage. Please review.

Project coverage is 86.45%. Comparing base (e39b4d2) to head (6871c8c).

Files	Patch %	Lines
crates/burn-import/src/burn/node/binary.rs	92.30%	2 Missing ⚠️
crates/burn-import/src/onnx/dim_inference.rs	90.90%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1800   +/-   ##
=======================================
  Coverage   86.44%   86.45%           
=======================================
  Files         746      746           
  Lines       86121    86209   +88     
=======================================
+ Hits        74448    74532   +84     
- Misses      11673    11677    +4     

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[laggui]

You're on a roll! 😉

LGTM! Thanks for the contribution.