Update requirements.txt

[wwdok]

Latest pytorch-lightning require omegaconf>=2.0.1, or it will report error cannot import name 'UnsupportedValueType' from 'omegaconf.errors', see Lightning-AI/pytorch-lightning#7110

[codecov]

Codecov Report

Merging #391 (8c55b97) into main (c526c28) will decrease coverage by 0.04%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #391      +/-   ##
==========================================
- Coverage   74.05%   74.00%   -0.05%     
==========================================
  Files          66       66              
  Lines        4424     4424              
  Branches      752      752              
==========================================
- Hits         3276     3274       -2     
- Misses        969      970       +1     
- Partials      179      180       +1     

Flag	Coverage Δ
unittests	74.00% <ø> (-0.05%)	⬇️

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Impacted Files	Coverage Δ
nanodet/data/transform/warp.py	84.48% <0.00%> (-1.15%)	⬇️

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