Serve updates

[daavoo]

• Remove usage of DOCKER_BUILDKIT for compatibility with older versions of docker.
• Minor fixes ([Feature]: Add mmdet2torchserve tool #4810 (comment))

[codecov]

Codecov Report

Merging #4954 (09a6a2d) into master (ca95937) will increase coverage by 0.70%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #4954      +/-   ##
==========================================
+ Coverage   65.61%   66.31%   +0.70%     
==========================================
  Files         255      257       +2     
  Lines       19990    20077      +87     
  Branches     3396     3418      +22     
==========================================
+ Hits        13117    13315     +198     
+ Misses       6171     6042     -129     
- Partials      702      720      +18     

Flag	Coverage Δ
unittests	66.28% <ø> (+0.70%)	⬆️

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

Impacted Files	Coverage Δ
...mdet/core/bbox/iou_calculators/iou2d_calculator.py	82.50% <0.00%> (-14.28%)	⬇️
mmdet/models/detectors/cornernet.py	94.87% <0.00%> (-5.13%)	⬇️
mmdet/apis/inference.py	38.18% <0.00%> (-5.12%)	⬇️
mmdet/models/dense_heads/corner_head.py	73.72% <0.00%> (-1.88%)	⬇️
mmdet/datasets/coco.py	46.25% <0.00%> (-0.06%)	⬇️
mmdet/models/roi_heads/__init__.py	100.00% <0.00%> (ø)
mmdet/models/dense_heads/vfnet_head.py	31.48% <0.00%> (ø)
mmdet/models/roi_heads/base_roi_head.py	85.71% <0.00%> (ø)
mmdet/models/roi_heads/roi_extractors/__init__.py	100.00% <0.00%> (ø)
mmdet/datasets/api_wrappers/__init__.py	100.00% <0.00%> (ø)
... and 7 more

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[hhaAndroid]

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