Update cubecl

[wingertge]

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.

Changes

Updates to new cubecl

Testing

All tests pass

[codecov]

Codecov Report

Attention: Patch coverage is 53.65854% with 19 lines in your changes missing coverage. Please review.

Project coverage is 83.56%. Comparing base (cb0854c) to head (e96c8d9).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
crates/burn-jit/src/kernel/conv/conv2d/im2col.rs	47.82%	12 Missing ⚠️
crates/burn-jit/src/kernel/conv/error.rs	0.00%	3 Missing ⚠️
crates/burn-jit/src/fusion/on_write/ir.rs	0.00%	2 Missing ⚠️
crates/burn-jit/src/fusion/matmul/args.rs	0.00%	1 Missing ⚠️
crates/burn-tensor/src/tests/ops/bitwise.rs	75.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2764      +/-   ##
==========================================
- Coverage   83.57%   83.56%   -0.01%     
==========================================
  Files         824      824              
  Lines      108453   108459       +6     
==========================================
- Hits        90639    90636       -3     
- Misses      17814    17823       +9     

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