CompatHelper: add new compat entry for "StatsBase" at version "0.32"

[github-actions]

This pull request sets the compat entry for the StatsBase package to 0.32.

This is a brand new compat entry. Previously, you did not have a compat entry for the StatsBase package.

Note: I have not tested your package with this new compat entry. It is your responsibility to make sure that your package tests pass before you merge this pull request.

[codecov]

Codecov Report

Merging #26 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #26   +/-   ##
=======================================
  Coverage   89.69%   89.69%           
=======================================
  Files           4        4           
  Lines         165      165           
=======================================
  Hits          148      148           
  Misses         17       17

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