Add is_close and all_close tensor operators

[antimora]

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

1. Fixes Implement all_close and is_close tensor operator #1379
2. Is blocked by Tensor all operator results is incorrect on burn-wgpu when using with lower_equal #1388 bug

Changes

Add is_close and all_close tensor operators.

Testing

New unit testing.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.54%. Comparing base (201e7f8) to head (c67fb3b).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1389      +/-   ##
==========================================
+ Coverage   85.52%   85.54%   +0.01%     
==========================================
  Files         594      595       +1     
  Lines       68252    68280      +28     
==========================================
+ Hits        58374    58409      +35     
+ Misses       9878     9871       -7     

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[louisfd]

LGTM 😄

[louisfd]

@antimora Seems there's a conflict with main? Can you fix it then we can merge