Fix JAX GPU CI and make formatter happy

[james77777778]

We need to increase the tolerance for the export test in TestJaxLayer

EDITED:
The new version of ruff introduces some changes. This PR also makes formatter happy.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 66.66667% with 3 lines in your changes missing coverage. Please review.

Project coverage is 81.95%. Comparing base (97c1c00) to head (ed88ff5).

Files with missing lines	Patch %	Lines
keras/src/backend/openvino/core.py	50.00%	1 Missing ⚠️
keras/src/backend/openvino/numpy.py	50.00%	1 Missing ⚠️
keras/src/callbacks/csv_logger.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #20749   +/-   ##
=======================================
  Coverage   81.95%   81.95%           
=======================================
  Files         553      553           
  Lines       51458    51458           
  Branches     7961     7961           
=======================================
  Hits        42174    42174           
  Misses       7346     7346           
  Partials     1938     1938           

Flag	Coverage Δ
keras	81.78% <66.66%> (ø)
keras-jax	64.04% <33.33%> (ø)
keras-numpy	58.90% <33.33%> (ø)
keras-openvino	29.84% <33.33%> (ø)
keras-tensorflow	64.70% <33.33%> (ø)
keras-torch	64.08% <33.33%> (ø)

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[fchollet]

Thanks for the fix!