chore: Bump version for 3.2.1 release, sort requirements

[terriko]

Sorting the requirements makes it easier for me to update our licensing paperwork.

[codecov-commenter]

Codecov Report

Merging #3018 (bc4e9b2) into main (c4771a8) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #3018      +/-   ##
==========================================
+ Coverage   82.43%   82.45%   +0.01%     
==========================================
  Files         676      676              
  Lines       10665    10665              
  Branches     1430     1430              
==========================================
+ Hits         8792     8794       +2     
+ Misses       1496     1494       -2     
  Partials      377      377              

Flag	Coverage Δ
longtests	76.43% <100.00%> (+0.01%)	⬆️
win-longtests	80.15% <100.00%> (+0.01%)	⬆️

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Impacted Files	Coverage Δ
cve_bin_tool/version.py	94.11% <100.00%> (ø)

... and 1 file with indirect coverage changes

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