Add a flag to enable OV inference on dGPU

[sovrasov]

Summary

Also, OV model outputs are now consistent with --engine.device

Performance results are contradictive, apparently we need a specially tuned inference code to get a gain from dGPU.

How to test

Checklist

• I have added unit tests to cover my changes.​
• I have added integration tests to cover my changes.​
• I have ran e2e tests and there is no issues.
• I have added the description of my changes into CHANGELOG in my target branch (e.g., CHANGELOG in develop).​
• I have updated the documentation in my target branch accordingly (e.g., documentation in develop).
• I have linked related issues.

License

• I submit my code changes under the same Apache License that covers the project.
  Feel free to contact the maintainers if that's a concern.
• I have updated the license header for each file (see an example below).

# Copyright (C) 2024 Intel Corporation
# SPDX-License-Identifier: Apache-2.0

[codecov]

Codecov Report

Attention: Patch coverage is 51.72414% with 14 lines in your changes are missing coverage. Please review.

Project coverage is 83.10%. Comparing base (4a52282) to head (1293c73).

Files	Patch %	Lines
src/otx/core/model/classification.py	0.00%	5 Missing ⚠️
src/otx/core/model/base.py	76.47%	4 Missing ⚠️
src/otx/core/model/instance_segmentation.py	25.00%	3 Missing ⚠️
src/otx/core/model/detection.py	33.33%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #3503      +/-   ##
===========================================
+ Coverage    83.09%   83.10%   +0.01%     
===========================================
  Files          254      254              
  Lines        25235    25236       +1     
===========================================
+ Hits         20969    20973       +4     
+ Misses        4266     4263       -3     

Flag	Coverage Δ
py310	83.08% <51.72%> (+0.25%)	⬆️
py311	83.09% <51.72%> (+0.03%)	⬆️

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