fix(storage): fewer errors abort uploads

[coryan]

Only errors that come from the user should abort an upload. Other errors
are I/O errors and should allow the upload to continue (subject to the
retry or resume policies).

part of the work for #2811

[codecov]

Codecov Report

❌ Patch coverage is 86.66667% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 94.91%. Comparing base (f5505ac) to head (6c0ed46).
⚠️ Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
src/storage/src/storage/perform_upload/buffered.rs	84.61%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2873   +/-   ##
=======================================
  Coverage   94.90%   94.91%           
=======================================
  Files         103      103           
  Lines        4320     4326    +6     
=======================================
+ Hits         4100     4106    +6     
  Misses        220      220           

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