Update CI report format to csv

[chuneuny-emily]

Summary

Changed the CI test report format from xml to user friendly csv format.

How to test

Checklist

• I have added unit tests to cover my changes.​
• I have added integration tests to cover my changes.​
• I have added the description of my changes into CHANGELOG.​
• I have updated the documentation accordingly

License

• I submit my code changes under the same MIT 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) 2023 Intel Corporation
#
# SPDX-License-Identifier: MIT

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (ec00525) 79.86% compared to head (2fcfb5d) 79.86%.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #1144   +/-   ##
========================================
  Coverage    79.86%   79.86%           
========================================
  Files          264      264           
  Lines        29391    29391           
  Branches      5753     5753           
========================================
+ Hits         23473    23474    +1     
+ Misses        4583     4582    -1     
  Partials      1335     1335           

Flag	Coverage Δ
macos-11_Python-3.8	78.96% <ø> (+<0.01%)	⬆️
ubuntu-20.04_Python-3.8	79.85% <ø> (?)
windows-2019_Python-3.8	79.78% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

see 1 file with indirect coverage changes

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[chuneuny-emily]

daily test results: https://github.com/openvinotoolkit/datumaro/actions/runs/6105654969

[vinnamkim]

LGTM.