Codecov report after completion of full CI

[yasakova-anastasia]

Motivation and context

• Added upload to Codecov with token
• Codecov report after completion of full CI

How has this been tested?

Checklist

• I submit my changes into the develop branch
• I have added a description of my changes into the CHANGELOG file
• I have updated the documentation accordingly
• I have added tests to cover my changes
• I have linked related issues (see GitHub docs)
• I have increased versions of npm packages if it is necessary
  (cvat-canvas,
  cvat-core,
  cvat-data and
  cvat-ui)

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.

[codecov]

Codecov Report

Merging #6293 (a8cd780) into develop (9a600f3) will increase coverage by 5.11%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop    #6293      +/-   ##
===========================================
+ Coverage    74.78%   79.90%   +5.11%     
===========================================
  Files          145      320     +175     
  Lines        16934    37438   +20504     
  Branches      3285     6838    +3553     
===========================================
+ Hits         12664    29913   +17249     
- Misses        4264     7242    +2978     
- Partials         6      283     +277     

Components	Coverage Δ
cvat-ui	77.09% <ø> (+2.31%)	⬆️
cvat-server	82.42% <ø> (∅)

[yasakova-anastasia]

@kirill-sizov, could you please review this PR?