bump compat LearnAPI = "2"

Author: ablaom

Project.toml

@@ -30,7 +30,7 @@ CategoricalDistributions = "0.1.15"
 Distributions = "0.25"
 InteractiveUtils = "<0.0.1, 1"
 IsURL = "0.2.0"
-LearnAPI = "0.2.0,1"
+LearnAPI = "2"
 LearnDataFrontEnds = "0.1"
 LinearAlgebra = "<0.0.1, 1"
 MLCore = "1.0.0"