Fixed: module 'PIL.Image' has no attribute 'LINEAR'

[bsekachev]

Motivation and context

Resolved #6895
Can't deploy. See the issue: facebookresearch/detectron2#5010

How has this been tested?

Manual testing

Checklist

• I submit my changes into the develop branch
• I have created a changelog fragment
• 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 #7047 (daf2b7d) into develop (8b0ec00) will increase coverage by 0.02%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop    #7047      +/-   ##
===========================================
+ Coverage    82.34%   82.37%   +0.02%     
===========================================
  Files          361      361              
  Lines        39178    39178              
  Branches      3585     3585              
===========================================
+ Hits         32262    32273      +11     
+ Misses        6916     6905      -11     

Components	Coverage Δ
cvat-ui	77.37% <ø> (+0.07%)	⬆️
cvat-server	86.96% <ø> (-0.02%)	⬇️