CompatHelper: add new compat entry for StatsBase at version 0.33, (keep existing compat)

[github-actions[bot]]

This pull request sets the compat entry for the StatsBase package to 0.33. This keeps the compat entries for earlier versions.

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. Note: Consider registering a new release of your package immediately after merging this PR, as downstream packages may depend on this for tests to pass.

[codecov-commenter]

Codecov Report

Merging #104 (8cd90ef) into main (873238e) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #104   +/-   ##
=======================================
  Coverage   84.51%   84.51%           
=======================================
  Files          19       19           
  Lines         368      368           
=======================================
  Hits          311      311           
  Misses         57       57           

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