Bump [compat] entry: CategoricalArrays="1.0" #61
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Recall that CategoricalArrays 1.0 introduces new behaviour for
levels. The return value is aCategoricalArrayinstead of raw levels.As I am not familiar with the codebase for the newer encoders, I have simply replaced all calls
levelswithrawlevels, whererawlevelsmimics the old behaviour:rawlevels(A) = unwrap.(levels(A)).This PR is needed before important rollout of the CategoricalArrays="1.0" update can happen elsewhere in the MLJ ecosystem. In particular, MLJModels, needs this PR merged before it can do the update.