patch: remove make test release from docker build

[denopink]

looks like upx caduceus is failing during make test release

                       Ultimate Packer for eXecutables
                          Copyright (C) 1996 - 2020
UPX 3.96        Markus Oberhumer, Laszlo Molnar & John Reiser   Jan 23rd 2020

        File size         Ratio      Format      Name
   --------------------   ------   -----------   -----------
upx: caduceus: UnknownExecutableFormatException

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 65.39%. Comparing base (74119f9) to head (e3ce3e1).
Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #558      +/-   ##
==========================================
+ Coverage   65.10%   65.39%   +0.28%     
==========================================
  Files          10       10              
  Lines        1049     1049              
==========================================
+ Hits          683      686       +3     
+ Misses        324      322       -2     
+ Partials       42       41       -1     

Flag	Coverage Δ
unittests	65.39% <ø> (+0.28%)	⬆️

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