[models] New crnn_vgg16_bn checkpoint

[felixdittrich92]

This PR:

• Add new crnn_vgg16_bn checkpoint

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.87%. Comparing base (1fa6bef) to head (0125060).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1969      +/-   ##
==========================================
- Coverage   96.89%   96.87%   -0.03%     
==========================================
  Files         172      172              
  Lines        8633     8633              
==========================================
- Hits         8365     8363       -2     
- Misses        268      270       +2     

Flag	Coverage Δ
unittests	96.87% <ø> (-0.03%)	⬇️

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