[OpenVINO Backend] support comparison ops (>, <, <=, >=, ==, !=) for OpenVINOKerasTensor

[Mohamed-Ashraf273]

Hi @rkazants ,
Supporting comparison ops (>, <, <=, >=, ==, !=) for OpenVINOKerasTensor, which is needed for my GSoC project.
Could you please review it?

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 20.00000% with 24 lines in your changes missing coverage. Please review.

Project coverage is 82.64%. Comparing base (86b4b40) to head (1ac84f5).
Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
keras/src/backend/openvino/core.py	20.00%	24 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #21348      +/-   ##
==========================================
- Coverage   82.67%   82.64%   -0.04%     
==========================================
  Files         565      565              
  Lines       54835    54865      +30     
  Branches     8513     8513              
==========================================
+ Hits        45337    45343       +6     
- Misses       7413     7437      +24     
  Partials     2085     2085              

Flag	Coverage Δ
keras	82.45% <20.00%> (-0.04%)	⬇️
keras-jax	63.59% <0.00%> (-0.04%)	⬇️
keras-numpy	58.74% <0.00%> (-0.04%)	⬇️
keras-openvino	33.11% <20.00%> (-0.01%)	⬇️
keras-tensorflow	63.98% <0.00%> (-0.04%)	⬇️
keras-torch	63.62% <0.00%> (-0.04%)	⬇️

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[rkazants]

@fchollet, looks good to me. Recommend to merge

[fchollet]

This branch has conflicts that must be resolved

Please fix merge conflicts!

[Mohamed-Ashraf273]

This branch has conflicts that must be resolved

Please fix merge conflicts!

@fchollet
Done, Conflicts have been resolved!

[fchollet]

Thank you!