[Bug] Fix eval scripts + possible overflow in Resize

[felixdittrich92]

This PR:

• fix for eval scripts with keeping aspect ratio / symmetric pad - optional
• tf: fix deprecated
• fix small overflow

Any feedback is welcome 🤗

[codecov]

Codecov Report

Attention: Patch coverage is 71.42857% with 4 lines in your changes missing coverage. Please review.

Project coverage is 96.46%. Comparing base (9045dcf) to head (99222b4).
Report is 6 commits behind head on main.

Files with missing lines	Patch %	Lines
doctr/transforms/modules/pytorch.py	50.00%	2 Missing ⚠️
doctr/transforms/modules/tensorflow.py	80.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1715      +/-   ##
==========================================
+ Coverage   96.40%   96.46%   +0.06%     
==========================================
  Files         164      164              
  Lines        7782     7780       -2     
==========================================
+ Hits         7502     7505       +3     
+ Misses        280      275       -5     

Flag	Coverage Δ
unittests	96.46% <71.42%> (+0.06%)	⬆️

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[felixdittrich92]

failing test depends on #1717